永久性的控制这里描述的输出构成了风险分析和风险管理之间的主要区别，并且对它的功效有必不可少的作用。
The permanent control of the outputs as described here constitutes the main difference between Risk Analysis and Risk Management and is essential to its efficiency.
该电源具有电压可预置、可步进调整、输出的电压信号以及电流信号可同时预示功效。
The power supply has some functions such as presetting voltage, stepping adjustment, displaying the output voltage signals and current signals at the same time.
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