Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.

由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。

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Which city in China first held Asian Games?

中国第一个举办亚运会的城市是？

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China first allowed its tightly controlled currency to rise in 2005 when the Senate was on the verge of passing a similar measure.

2005年，参议院即将通过一项类似的措施时，中国首次允许其严格控制的货币升值。

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But her trip to Japan,Indonesia,South Korea and China makes her the first in almost fifty years to visit Asia first.

VOA: special.2009.02.21

She says that this is the first building she has worked on that is related to the subject of China.

VOA: special.2009.05.06

For the first time, General Motors has announced higher sales in China, the world's largest car market, than in the United States.

VOA: special.2010.07.09

China first began tightening credit in the spring of 2010 to dampen spiraling property prices.

FORBES: China Eases Monetary Policy

China first began outselling the U.S. in smartphones in the second half of last year.

FORBES: Move up http://i.forbesimg.com t Move down

At this rate, Apple might one day even put new products on sale in China first.

FORBES: Your iPads Won't Be Smuggled To China Now