对于它来说,47毫安电感器是标准值单位。
For it, the 47 millihenry inductor is a standard value unit.
然后他却发现了某些东西:一个除了由电阻,电容和电感组成的标准三重奏之外的第四个基本电路元件。
And he found something missing: a fourth basic circuit element besides the standard trio of resistor, capacitor and inductor.
电感的定制化程度高,通常不是标准产品,因此给了许多小企业生产空间。
When it comes to inductance, no standard products are available because of the high-degree customized level.
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