space navigation
常见例句
- Chances of failure and disaster are ever present in all space navigation.
所有的宇宙航行都始终存在着失败和发生灾难的可能性。
edu.sina.com.cn - In order to facilitate the use of you in your new space navigation bar also increased inquiries into the classification of the link.
为了方便你使用,在你的新空间的导航栏处也增加了进入分类查询的链接。 - Data Generator can generate very complicated digital signals. It can be used as programmable data signal source in the fields of communication, radar, navigation, space navigation, and so on.
数据信号发生器可以产生非常复杂的数字激励信号,可为通信、雷达、导航、宇航等领域数字设备提供所需的可编程数据信号。 - In fact, most of the value-added uses for space today (GPS navigation, communications, direct broadcast TV and Radio, weather, photography and mapping) owe little to the Apollo program.
FORBES: The New Pharaohs: Confusing Triumphalism and State Coercion With Progress - But America's fears are economic as well as military: it suspects that the EU might try, for instance, requiring aircraft entering its air space to use Galileo-based navigation systems, to the detriment of American firms with products based on GPS. And European countries, China and the like might develop weapons that are compatible with Galileo rather than GPS, which would mean American defence firms losing a competitive advantage.
ECONOMIST: Space race The - Our experience tells us that the contribution made to U.S. national security in the future by space-based reconnaissance, communications, navigation and other systems will only continue to grow.
CENTERFORSECURITYPOLICY: AN OPEN LETTER TO PRESIDENT CLINTON 返回 space navigation