On the aspect of observation time, it has limited efficiency for low earth orbit target space-based observation, and good efficiency for high earth orbit observation.
在可见时间方面，天基空间目标光学监视系统对低轨目标的监视能力有限，而对高轨目标具有良好的监视性能。
And the 1,000th world could be discovered surprisingly soon, as the space-based Kepler mission has already offered up hundreds of planet candidates that await further observation and confirmation.
而且，可能很快就会发现第1000个外星世界，因为天基的开普勒任务已经提供了数百个候选行星，并等待进一步的观察和确认。
And the 1, 000th world could be discovered surprisingly soon, as the space-based Kepler mission has already offered up hundreds of planet candidates that await further observation and confirmation.
而且，可能很快就会发现第1000个外星世界，因为天基的开普勒任务已经提供了数百个候选行星，并等待进一步的观察和确认。
The approach based on wavelet theory and phase space reconstruction for analyzing the law of time-dependent deformation of crack according to the observation data of dam is proposed.
本文基于小波分析理论和相空间重构技术，根据大坝裂缝的实测资料，提出了裂缝时变规律分析方法。
More observation is needed. The type of project the NRC recommends includes three candidates, all of them variations on a space-based telescope.
显然，需要进行更多的观察。对于实施这个计划，国家研究理事会推荐了三个候选研究组，都是由做太空望远镜工作转换过来的。
Space weather is a new inter-discipline which combines space science, space borne and ground based observation technologies.
空间天气是一门把空间科学与天基、地基技术系统紧密结合，多学科交叉的新兴学科。
Space weather is a new inter-discipline which combines space science, space borne and ground based observation technologies.
空间天气是一门把空间科学与天基、地基技术系统紧密结合，多学科交叉的新兴学科。
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