power-supply efficiency
... power supply 开关电源 power-supply efficiency 电源供给效率 power-supply basics 电源供给基础 ...
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AT 89s52作为显示模块的控制核心，实现功率放大器输出功率、直流电源的供给功率和整机效率功能的显示。
AT89S52 as a display module to control the core of achieving power amplifier output power, DC power supply of power and machine efficiency, for display.
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