This paper gives a short cut method to derive from molecular speed distribution function in the molecular ray.
给出了导得分子射线中分子速率分布函数的一种简捷方法。
In chapter 2, from velocity distribution function of ideal gaseous molecule, this paper deduces Maxwell's speed distribution function.
第三章从理想气体分子的麦克斯韦速率分布给出分子束的速率分布函数的具体形式。
In chapter 4, from molecule beam's speed distribution function, this paper deduces energy, momentum, frequency and wavelength distribution function.
第四章从分子束的速率分布函数出发推导了与速度有关的能量、动量、频率和波长等物理量的分布函数。
It explicates the ways of stepping motor's stepping count and speed in the control of the BCD-code dial switch, and the function of pulse distribution with the programmable soft of PLC.
详细说明了用BC D码拨盘开关控制步进电机步数和速度的方法及可编程序控制器编程软件实现脉冲分配器功能的方法。
The diagram of distribution of speed arrow, constant lines of flow-stream function, vortex, two speed parts and pressure were studied.
绘制了速度矢量分布图，和流函数，涡量，两个分速度及压强的等值线分布图。
Technical features of suburban railway, such as function feature, laying mode, distribution of stations, operating organization and operating speed are discussed.
阐述了市郊轨道交通的功能特征及其敷设方式、车站设置、运营组织和行车速度等技术特征。
The mean wind energy density, mean effective wind energy density and annual available time of wind energy are calculated by using Two-Parameter Weibull Distribution function of wind speed.
采用风速的韦布尔双参数方法测算出平均风能密度、平均有效风能密度，以及年风能可利用时间。
The mean wind energy density, mean effective wind energy density and annual available time of wind energy are calculated by using Two-Parameter Weibull Distribution function of wind speed.
采用风速的韦布尔双参数方法测算出平均风能密度、平均有效风能密度，以及年风能可利用时间。
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