Every person has obvious characteristic, so, of course, there must be indistinct characteristic, which is also called secondarycharacteristic.
每个人都有显性的性格，当然也有隐性的性格，就是所谓的第二性格。
2
For the electric welding machine two secondary side wiring and electrode holder, welding connection cable, its characteristic is high, low voltage resistance.
用于电焊机二次侧接线及连接电焊钳、电焊机的专用电缆，其特性是电阻大、电压低。
3
Along with the extensive application of optocoupler element in the secondary equipment of integrated automatic substations, its operating characteristic also needs much attention.