2) low level
低水平的，低电平的，低能级的，初级，低电平;低[放射性]水平;低水位
3) low level
低电平
1.
Low level RF control system for SSRF;
SSRF高频低电平系统预制研究
2.
The digital circuit has three conditions:High level,low level and high-resistance condition,Some application situation did not hope that has the high-resistance condition,May through use on pulls the resistance or under pulls the resistance the way to cause to be at the steady state.
数字电路有三种状态:高电平、低电平和高阻状态,有些应用场合不希望出现高阻状态,可以通过采用上拉电阻或下拉电阻的方式使处于稳定状态。
4) Very low level
极低电平
补充资料：低都儿低
1.低而又低，很低。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条