The launch showed our country has completed our largest space-based system.

这次发射表明我国已经完成了我国最大的太空基站系统建设。

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Space-based climate observations are notoriously prone to bias.

Trenberth表示空间的气候观察有着臭名昭著的偏差。

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The last of NASA's Great Observatories, Spitzer is a space-based infrared telescope.

斯皮策红外太空望远镜是美国国家航空航天局最新的一个大型观测平台。

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After all,they observe the skies with huge ground-based and costly space telescopes.

VOA: special.2009.08.25

Space Florida, the agency responsible for developing the state's aerospace sector, says it is trying to attract new industries that use space-based technologies.

VOA: standard.2010.03.18

In 1996 students developed a space-based program to detect and stop the spread of deserts.

FORBES: The Space Mafia

Deterrence: The first phase system should be comprised of ground and space-based sensors and interceptor systems.

CENTERFORSECURITYPOLICY: Center for Security Policy | An Assessment Of Future Requirements For US Strategic Forces And Strategic Arms Control

In the past only space-based telescopes could manage this trick and they are ludicrously expensive.

ECONOMIST: Is it time for a new approach to finding extraterrestrials?