This paper introduces the influence of the LEO environments on spacecraft surface materials and the evaluating technology of lifetime of spacecraft surface materials in LEO.
对低地球轨道环境对航天器表面材料的影响和航天器表面材料的低地球轨道环境寿命评定方法进行了介绍；
In order to evaluate source rock fast and accurately, the paper presents source rock pyrolysis gas chromatographic evaluating technology and expounds its geological application.
为了快速、准确地评价生油岩，该文介绍了生油岩热解气相色谱评价技术并对其地质应用进行了重点阐述。
In order to evaluate source rock fast and accurately, the paper presents source rock pyrolysis gas chromatographic evaluating technology and expounds its geological application.
为了快速、准确地评价生油岩，该文介绍了生油岩热解气相色谱评价技术并对其地质应用进行了重点阐述。
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