In the thermal balance/vacuum test(TBT/TVT)of a space camera,an IR array-radiometer closed system is usually used near the camera s window to simulate the arriving heat flux.是什么意思_In the thermal balance/vacuum test(TBT/TVT)of a space camera,an IR array-radiometer closed system is usually used near the camera s window to simulate the arriving heat flux.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句