由于电路能自动适应输入电压的变化，所以在很宽的电压范围内保持优异的补偿性能，并且效率高，成本低。
Because the circuit can automatically adapt to the change of the input voltage, excellent compensation performance is maintained in a wide voltage range, and the cost is low.
由于电路能自动适应输入电压的变化，所以在很宽的电压范围内保持优异的补偿性能，并且效率高，成本低。
Because the circuit can automatically adapt to the change of the input voltage, excellent compensation performance is maintained in a wide voltage range, and the cost is low.
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