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。
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.
委婉基果动物无其特殊的技巧特征，闭于现代法律轨造降出了挑和。
Transgenic plants have their special technical characteristics, and presente a challenge to the modern legal system.
路基就是上面铺着道渣，枕轨和钢轨的底基。
Road bed is the subgrade on which are laid the ballast, ties and rails.
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