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ed its two-year designed life span. The spacecraft helped to pave the way for China’s future manned space station, according to the agency.
Wang Ya’nan, editor-in-chief of Aerospace Knowledge magazine, said Tiangong II c
上海419论坛ontributed a great deal to China’s efforts to build its own space station as it accommodated astronauts’ sta
y and verified life-support and in-orbit refueling technologies, all of which are essential to running a space station.
China plans to start putting together its first manned space station around 2020. It is expected to be fully operational aro上海419论坛女神会所
und 2022 and to operate for about 15 years, according to the China Academy of Space Technology.
In 2024, it would become the world’s only space station if t上海419论坛
he United States-led International Space Station is retired that year as planned.
The multimodule station, named Tiangong, will be mainly composed of three parts－a core module attached to two s
上海419论坛pace labs－and have a combined weight of more than 90 tons, the academy said.
The scientific communities of China and the United States still have room for exchanges and cooperation despite ongo
ing trade and technology disputes between the two countries, a senior science policy researcher said.上海419论坛
Stability, development, exchanges and global integration will remain C
hina’s top priorities in the coming decade. Hence, it is crucial for China and the US to respect, ratio
上海419论坛女神会所nally perceive and adjust to each other’s national needs, Pan Jiaofeng, president of the Chinese Academy of Sci
ences’ Institutes of Science and Development, told China Daily in an interview.
The scientific communities should also enhance mutual exchanges and integration of standards to jointly tackle glob上海419论坛
al issues including climate change, aging populations, energy and resources, and natural disasters, he said.
In recent years, China has seen substantial development in science and technol
上海419论坛女神会所ogy due to strong government planning and support, bigger investments, greater efforts from tech en
terprises and sweeping reforms tailored to the needs of researchers to unleash their full innovative potential.
China’s budget for research and development increased to 2.18 percent of its GDP l
ast year, reaching a record high of 1.96 trillion yuan ($285 billion), acc上海419论坛女神会所
ording to the National Bureau of Statistics. There also was a 16.9 percent year-on-ye
ar increase last year in patent applications from Chinese innovators, amounting to 4.32 million at home and abroad
g province, which dates from 5,300 to 4,500 years ago, archaeologists unearthed a hug
e dam 3.5 kilometers long and more than 10 meters thick. Ruins of the city cover 3 million square met上海419论坛
ers, and the city’s walls are 40 to 60 meters thick. The discovery was made possible with remote sensing technology.
上海419论坛”In the city center, we found a terrace that is 630 meters by 450 meters,” he said. “Some of the foundations are as large as 900 square meters.”
He estimated that the entire city would have taken 10,000 people a decade or longer to build.上海419论坛女神会所
“It hardly would have been possible for a tribe or a league of tribes to mobilize so many
上海419论坛people,” Wang said. “That indicated a time of early-stage states with wide influence.”
Division of labor, hierarchical social classes and inequality in wealth were also observed when studying the Taosi Site (from
4,300 to 4,100 years ago) in Xiangfen county, Shanxi province, and several other key sites of “huge city ruins”, he said.上海419论坛女神会所
The relics are from what is believed to have been the capital of Emperor Ya
o, a legendary ancient ruler. Some markings were discovered that are believed to be a pro
上海419论坛女神会所totype of written characters, but they appear to have been used exclusively within a small group of ruling elites.
“Around 5,000 years ago, some regions along the Yangtze River, the Yellow River and the western bank
of Liaohe River (in Northeast China) stepped into the age of civilization,” Wang said. Those ancient sta上海419论坛
tes, he said, “controlled certain territory, but had economic, political and cultural connections with each other”.
上海419论坛女神会所During the time of the Erlitou Site (3,750 to 3,550 years ago), in Luoyang, Henan province, China entered what is often called the age of dynasties, Wang said.
“Erlitou marked the time when the Central China plain began to widely influence上海419论坛
the surrounding areas,” he said. “It created a foundation for a united country with multiethnic groups.”
Speaking of how to define “civilization”, Zhao Hui, a professor at Peking University
上海419论坛女神会所who is in charge of the project, said traditional criteria in Western academia, which emphasize the ap
pearance of written characters and metallurgy, have not strictly been used in this project.
Liangzhu and several other early civilizations in China, h上海419论坛女神会所
owever, are known for their highly developed techniques in making jade articles.
上海419论坛女神会所”Some characters of human development are common,” Zhao said. “The
difference also shows there are some unique characters in early Chinese civilization.”
He said Chinese civilization also absorbed influences from other civilizations. Archaeological discoveries sho
w wheat cultivation, breeding of cattle and sheep, and bronze-making technology in China originated in We
stern and Central Asia and were later adopted and acquired local characteristics.
nt her summers visiting many grassland.There are no hotels out on the plains, so Xin would often call at herdsme
n’s tents to ask for a meal. The herdsmen always welcomed her and offered her a place to sleep.上海419论坛
In 1998, Xin was recruited by Li Bo, an academician at the Chinese Academy of Sciences, to joi
上海419论坛n his grassland ecology remote sensing team to help build an observation and research station in Hulunbuir.
Xin was keen to start the work, but Li suddenly died six months into the project. After taking three months to ove
rcome her sorrow, Xin decided to finish Li’s vision to build the observation and research station at Hulunbuir.上海419论坛
Each year, when the grass began to grow in Ma
y, Xin would go to Hulunbuir, and only return when the grass had dried up in November.
上海419论坛女神会所She was named executive deputy head of the station in 2005, the first fe
male out of all the executives staffing the 53 wild scientific stations across China.
After years of observation and experiments on the Hulunbuir grasslands, Xin mapped out the key dir
ection for research there, filling in the gaps in analysis into meadow steppe ecosystems through observation and research.上海419论坛女神会所
She studied ecosystem modeling for her doctoral degree. By combining all the data he
r team had collected, Xin realized it could be used to guide herdsmen to better grazing pastures.
“As a 21-year-old I visited the Gannan grasslands. At 22, I went to the Qinghai-Tibet Platea上海419论坛女神会所
u. Aged 25 to 27 I visited the Songnen Plain, and at 28 I traveled to the grasslands in the mountain regions of sou
thern China. At the age of 29, I was in Hulunbuir,” Xin says. “Each grassland has its own personality.”上海419论坛女神会所
Field work on the grasslands involved a lot of driving, and Xin spent hours chatting with the driver and watching the road.
tions on Chin上海419论坛女神会所a, but also blocked technology exports to Chinese companies. Therefore we need to be prepared for
the possibility that the US may ban all high-tech product exports to China in the future,” Li said.
“The new move will be a major step to strengthen controls over technological exports. It is necessary for China to set up export control
s and management systems for certain products, especially for those advanced technological produc
ts in which we’ve gained a global edge. China needs to tighten regulations and prevent those exported products fro
m being used to suppress and damage China’s development as well as its national security,” Li added.
Mei Xinyu, a researcher at the academy, said, “Compared with ad
vanced countries, we still lag behind in management of technology concerning national security.”
“I would suggest China takes key measures to safeguard national security in terms of
both imports and exports,” Mei said. “First, we need to ensure that the imported te
bike protest, Sau上海419论坛品茶微信di authorities arrested Qureiris, then just 13 years old. He was traveling with his fami
ly to Bahrain when he was detained by Saudi border authorities on the King Fahd causeway that connects the two countries.
At the time, he was considered by lawyers and activists to be the youngest known political prisoner in Saudi Arabia.
Now, at the age of 18, Qureiris is facing the death penalty after being
held for almost four years in pre-trial detention, CNN has learned.n April, Saudi Arabia anno
unced it had executed 37 men who, according to rights group Reprieve, were mostly from the kingdom’s Shia minor
ity. The country has one of the highest rates of execution in the world, and has frequently been criticized by rig
hts groups for executing people who were minors at the time of the commission of crimes.
Qureiris was 10 years old when he committed at least one of those alleged crimes in his charge sheet, CNN has learn
ed. He was charged with accompanying his activist brother, Ali Qureris, on a motorcycle ride to a police sta
tion in the eastern Saudi city of Awamiya, where Ali allegedly threw Molotov cocktails at the facility.
Chen Xiang, head of the sports bureau of Qiannan prefecture in Guizhou, t
old the thepaper.cn. It was agreed after meetings with education authorities and parents of stud
ents that the large crowd gathered during dragon boat races will create noise, Chen said.
Therefore, the dragon boat racing activities in the city, previ
ously scheduled on June 5-7, were postponed to June 9-11. Teams participating in the races were cont
acted and told the reason for the delay. They understood the reasons, Chen added.
An official at the sports bureau of Chizhou city, Anhui, said they have received letters and calls f
rom parents of examinees and people, expressing their concerns (that noise generated by dragon boa
t races may disturb students sitting the gaokao). So the bureau decided to postpone the races until June 9-10.