众所周知,电子产品是由元器件构成的,人们在购买电子产品,尤其是招标的时候,往往有这种决定——低价中标。结果装机后有的就故障连连,甚至冒烟和起火。什么原因呢?元器件也是一流厂家的啊,甚至是同一规格,为什么价格差那么多,可靠性也不一样呢?谈到这个问题,本人可有亲身经历。在为我国第一颗远程运载火箭地面机 As we all know, electronic products are composed of components, people in the purchase of electronic products, especially when the tender, often have such a decision - low bid. Results installed after some failures, and even smoke and fire. What are the reasons? Components are also first-class manufacturers, ah, even the same specifications, why the price difference so much, the reliability is not the same? Talked about this issue, I have personal experience. In China for the first long-range launch vehicle ground plane