Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.

通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。

youdao

Copper and plastic coefficient of expansion, and, therefore, more close to the plastic used in electroplating electroless copper plating coating layer as conductive.

金属铜与塑料的膨胀系数比较接近，因此，在塑料电镀中常用化学镀铜层作为电镀的导电镀层。

youdao

Exposed The polishing of chromium layer has high reflection coefficient, can make reflector.

经抛光的铬层有很高的反射系数，可作反光镜。

youdao