空气通过植物冠层移动的能力直接与温室的密闭程度有关。
The ability to move air through plant canopies is related directly to the tightness of the green house.
该MCXO采用电阻焊全密闭封装，提高了系统抗电磁干扰及环境适应能力。
The whole MCXO is encapsulated by resistance weld to improve the system performance on anti-electromagnetism interference and adapting the ambient.
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