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标题: 第17颗北斗导航卫星进入预定轨道 [打印本页]

作者: 阿星 时间: 2015-4-24 07:41
标题: 第17颗北斗导航卫星进入预定轨道

北斗什么时候就17颗卫星了，超越GPS指日可待

A new-generation satellite for China's global navigation and positioning network has entered its designed work orbit, the satellite's developer said on Thursday.

中国全球导航与定位专用的新一代卫星已进入其预定轨道。

As of Tuesday afternoon, navigation equipment on the satellite was functioning and its navigation signals were being received on Earth, according to a statement by the Shanghai Engineering Center for Microsatellites (SECM).

Launched on March 30, the satellite is the 17th added to China's Beidou navigation satellite system (BDS), and will expand the system's coverage1 substantially.

According to Xiangli Bin2, the SECM director and chief commander for the new-generation BDS satellite program, the latest satellite will have a longer life and be more accurate than its predecessors3.

The first BDS satellites were launched by China in 2000. In December 2012, the system began providing positioning, navigation, timing4 and short message services to users in China and parts of the Asia-Pacific region.

The BDS global network will have 35 satellites, five of which will be in geostationary orbit. The complete network should be installed by 2020, according to the center.

SECM is a non-profit organization established by the Chinese Academy of Sciences and the Shanghai Municipal Government.

点击收听单词发音

1 coverage
n.报导，保险范围，保险额，范围，覆盖
参考例句：
There's little coverage of foreign news in the newspaper.报纸上几乎没有国外新闻报道。 This is an insurance policy with extensive coverage.这是一项承保范围广泛的保险。

2 bin
n.箱柜；vt.放入箱内；[计算机] DOS文件名:二进制目标文件
参考例句：
He emptied several bags of rice into a bin.他把几袋米倒进大箱里。 He threw the empty bottles in the bin.他把空瓶子扔进垃圾箱。

3 predecessors
n.前任( predecessor的名词复数 )；前辈；（被取代的）原有事物；前身
参考例句：
The new government set about dismantling their predecessors' legislation. 新政府正着手废除其前任所制定的法律。来自《简明英汉词典》 Will new plan be any more acceptable than its predecessors? 新计划比原先的计划更能令人满意吗？来自《简明英汉词典》

4 timing
n.时间安排，时间选择
参考例句：
The timing of the meeting is not convenient.会议的时间安排不合适。 The timing of our statement is very opportune.我们发表声明选择的时机很恰当。

作者: 船 时间: 2015-4-24 13:24
百度翻译复制的??

作者: 阿星 时间: 2015-4-24 13:26

万物基于MIUI 发表于 2015-4-24 13:24
百度翻译复制的??

你去百度翻译看看，能不能得到这样的结果

作者: 船 时间: 2015-4-24 13:33

阿星发表于 2015-4-24 13:26
你去百度翻译看看，能不能得到这样的结果

好吧。

作者: 阿星 时间: 2015-4-24 13:36

万物基于MIUI 发表于 2015-4-24 13:33
好吧。

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作者: 无心之醉 时间: 2015-5-13 12:09
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