This secondary operation adds complexity and cost to the micromachined microphones so fabricated.
这个二次操作使如此制造的微机械加工的传声器增加了复杂性和成本。
Analysed and investigated on its operation principle, a continually variable optical fibre attenuator is designed and fabricated.
本文从工作原理分析研究着手，设计制造了一种连续可变的光纤衰减器。
Analysed and investigated on its operation principle, a continually variable optical fibre attenuator is designed and fabricated.
本文从工作原理分析研究着手，设计制造了一种连续可变的光纤衰减器。
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