To rent a car you must produce a passport and a current driving licence.
要租一辆车你必须出示护照和现有驾照。
The solid state relays all are current driving.
固体继电器均为电流驱动型。
But there are also some disadvantages, such as the reducing of drain current driving capability and the increasing of parasitic capacitance.
但同时也有一些不足，如漏极驱动能力降低以及寄生电容增大的问题。
Because of the low bootstrap current in central area of plasma, the non-induced current driving is necessary for the request of plasma balance.
由于等离子体中心区域自举电流比较小，为了满足等离子体平衡要求，非感应电流驱动是必不可少的。
Constant current driving and constant temperature controlling techniques are adopted on DFBLD to make the central wavelength of it accurately point at detected gas absorption.
本文通过对DFBLD光源采取恒流驱动和恒温控制技术，使DFBLD光源的中心波长精确对准被测气体吸收峰。
Based on the characteristic of constant-current driving, the authors discussed the control method for the high power LED, designed and actualized a project which has comprehensive function.
根据大功率LED的恒流驱动特性，讨论了大功率LED的驱动控制方法，设计并实现了一种功能较全面的驱动控制方案。
Measures, such as the floating of threshold, braking by positive sequence current, driving up the threshold during power swing, etc are suggested to prevent th.
采用浮动门槛、正序电流制动和静稳破坏后提高动作门槛值的方法，来防止系统振荡时误启动。
Measures, such as the floating of threshold, braking by positive sequence current, driving up the threshold during power swing, etc are suggested to prevent th.
采用浮动门槛、正序电流制动和静稳破坏后提高动作门槛值的方法，来防止系统振荡时误启动。
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