详细的介绍的标准电阻，电容的所有种类，用途，特性，以及平常我们怎样选取需要的电阻电容，如何识别，正确读取他们的型号-Detail the standard resistors, capacitors of all types, uses, characteristics, and how we select the normal resistance of the need for capacitors, how to identify and correct their models of r