China launches Ziyuan III satellite
英语课
TAIYUAN, Jan. 9 (Xinhua) -- China successfully launched the Ziyuan III satellite Monday from the Taiyuan Satellite Launch Center in northern Shanxi province.
The satellite, a high-resolution remote-sensing satellite for civilian 1 use, was launched at 11:17 a.m. aboard a Long March 4B rocket, according to a statement from the center.
The satellite, weighing 2650 kg, entered an orbit of 500 km above the Earth about 12 minutes after it was launched. It has a designed life expectancy 2 of five years.
According to the center, the satellite is tasked with offering services to aid the country's land-resources surveys, natural-disaster prevention, agriculture development, water-resources management, and urban planning.
The rocket also carried a satellite from Luxemburg, according to the launch center.
The orbiter was developed and produced by the China Academy of Space Technology, a subsidiary of China Aerospace 3 Science and Technology Corporation (CASC).
The Long March 4B rocket is developed by Shanghai Academy of Spaceflight Technology, another CASC subsidiary. Monday's mission marked the 156th flight of China's Long March series of carrier rockets.
adj.平民的，民用的，民众的
- There is no reliable information about civilian casualties.关于平民的伤亡还没有确凿的信息。
- He resigned his commission to take up a civilian job.他辞去军职而从事平民工作。
n.期望，预期，（根据概率统计求得）预期数额
- Japanese people have a very high life expectancy.日本人的平均寿命非常长。
- The atomosphere of tense expectancy sobered everyone.这种期望的紧张气氛使每个人变得严肃起来。
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