BedUp system saves space by storing your bed near the ceiling.
升降床装置能够让床接近天花板而节省了不少空间。
NASA Earth Observatory image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science data and Information System at Goddard Space Flight Center.
美国航太总署地球大观，制图：杰西·艾伦，使用了由戈达德宇航中心的热带降雨测量任务科学数据与信息系统提供的准实时数据。
NASA image by Jesse Allen, using near-real-time data provided courtesy of TRMM Science data and Information System at Goddard Space Flight Center. Caption by Michon Scott.
NASA图片采集自jesseAllen，使用戈达德宇航中心TRMM科学数据及信息系统好意提供的准实时数据。
China will improve the standardization system for space debris, near-earth objects and space climate.
完善空间碎片、近地小天体和空间天气相关标准规范体系。
Intensity space distribution near image point of optical system is derived based on the accurate amplitude (therefore the intensity) analytic expression for Fresnel diffraction.
根据准确的菲涅耳衍射振幅和光强解析表达式推导出光学系统像点附近的光强空间分布。
Laser transmitting wavefront is near diffraction-limited in space laser communication. Wavefront measurement is the basis of system adjustment and testing.
空间激光通信中发射波面质量接近衍射极限，测量波面是调整和检验发射系统的依据。
The tensile properties and microstructure of LF6 aluminum alloy weld joint under simulating near earth space environment are studied by means of vacuum thermal cycling system.
采用真空热循环试验装置，模拟近地轨道空间环境，研究了LF 6铝合金焊接接头拉伸性能和微观组织，分析讨论了真空热循环对焊接接头的影响规律。
The main results and achievements are as below:1. The platform of SAR system based on Near-Space has been given.
主要工作和成果如下：1。提出了基于临近空间的SAR系统平台。
The main results and achievements are as below:1. The platform of SAR system based on Near-Space has been given.
主要工作和成果如下：1。提出了基于临近空间的SAR系统平台。
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