Abstract: quality of the external purchase equipment is the main factor that influence the quality of initiating explosive device.
文摘：火工品用外购器材的质量问题是影响产品质量的重要因素。
This paper briefly introduces the principles of MF10 switched capacitor filter andpasentes the method of computing quality factor and external resistors.
本文简述了MF10开关电容滤波器的工作原理。介绍了利用MF10组成滤波器品质因数和外接电阻的计算方法。
Wood density is an important index to evaluate the wood quality and it's also the external reflection of the comprehensive index of the wood interior factor.
木材密度是表示木材材质的重要指标，它是木材内部因子综合性指标的外在反映。
Wood density is an important index to evaluate the wood quality and it's also the external reflection of the comprehensive index of the wood interior factor.
木材密度是表示木材材质的重要指标，它是木材内部因子综合性指标的外在反映。
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