分子生物学英语辞典 ... directed cloning|定向克隆 directed mutagenesis|定向诱变 directed perturbation|定向微扰 ...
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These motors are designed to accommodate a wide range of applications including direct drive servo systems, recorder drives, holding torque and high torque-low speed control systems.
这些电机的设计,以适应范围广泛的应用,包括直接驱动伺服系统中,记录器的驱动器,保持转矩和高转矩低速控制系统。
It is one of the main methods by which the human activities have effect on the environment and the most direct and important factor that drives land cover to change in history.
它是人类活动作用于自然环境的主要途径之一,是历史时期土地覆被变化最直接和主要的驱动因子。
A kind of direct numerical calculation method for the steady-state analysis of PWM inverter-fed induction motor drives was presented.
本文介绍一种脉宽调制型(PWM)逆变器异步电机变频调速系统稳态分析的直接数字计算方法。
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