外接元件 meaning in Chinese

outward element

High input impedance , powerful ability of anti - interference , wide range of phase - shift and less outward elements are advantages of the circuit . and it can be simply installed and debugged . in addition , it is reliable to put the circuit into practice
该触发电路具有功耗小、功能强、输入阻抗高抗干扰能力强移相范围宽( 0 177 )外接元件少等优点，而且安装调试简单、使用可靠。