The contents about vacuum metrology, vacuum standard, vacuum measurement and calibration and space vacuum measurement, etc.
介绍了真空计量、真空计量标准、真空测量与校准技术、空间真空测量等方面的内容。
The contents about vacuum metrology, vacuum standard, vacuum measurement and calibration and space vacuum measurement, etc. are introduced.
介绍了真空计量、真空计量标准、真空测量与校准技术、空间真空测量等方面的内容。
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