The amplitude distribution of narrow hand semiconductor noise in junction type OC70, OC71 and point contact type 2N32A transistors were measured experimentally by the "maximum amplitude" method.
本文中描述用振幅峰值的方法，测量面接触型晶体管OC70，OC71和点接触型晶体管2N32A内窄频带低频率噪声的振幅分布。
The problem with this type of gear is that the distance from the center of each gear to the point of contact changes as the gears rotate.
这种齿轮传动的缺陷在于，每隔齿轮的中心到啮合点的距离在运转的过程中是变化的。
The principle of the five axis tube-shape measuring machine system in contact type is analyzed. Point out the hardware and software of this system as well as the procedure to compensate spring-back.
分析了接触式五坐标管形测量机的工作原理，提出了其测量系统的硬件和软件的一种实现方法，探讨了实现管材弯曲回弹补偿的方法。
The principle of the five axis tube-shape measuring machine system in contact type is analyzed. Point out the hardware and software of this system as well as the procedure to compensate spring-back.
分析了接触式五坐标管形测量机的工作原理，提出了其测量系统的硬件和软件的一种实现方法，探讨了实现管材弯曲回弹补偿的方法。
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