In the past decade, the Chandra X-ray Observatory, often in conjunction with other astronomical telescopes on the "Crab Nebula" in joint observation.
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In the past decade, the Chandra X-ray Observatory, often in conjunction with other astronomical telescopes on the "Crab Nebula" in joint observation.
在过去十年间，钱德拉X射线天文台经常协同其他天文望远镜对“蟹状星云”进行联合观测。
Results Compared with control group, the improvement of morning stiffness time, daily living activity and joint motion pain of patients in observation group were more significantly.
结果观察组与对照组比校，观察组组患者晨僵时间、日常活动能力、关节活动痛明显改善。
The path such as conversion and joint-stock had been proven to be a good approach in practice, this paper would make an observation to the conversion product marketing.
而军转民、股份制等路径已经被实践证明是好办法，本文针对军转民产品的营销发表一点看法。
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