“thermal vacuum test”的概念、定义、翻译、参考文献-科学参考

单词	thermal vacuum test
释义	thermal vacuum test Encyclopedia 工学热真空试验释 thermal vacuum test热真空试验基于验证航天器热控系统性能和在极限温度下工作能力的一种地面试验活动。航天器在轨运行过程中，长期处于高真空、冷黑和热辐射环境中，为了对航天器的热控系统的性能进行考核并验证热分析模型的正确性，同时为了暴露航天器材料、工艺、制造质量方面的潜在缺陷，验证航天器产品在极限温度下的工作能力，需要在地面对航天器的单机（部件）、分系统和航天器整体进行热平衡、热真空试验。
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