Terms containing zero reference point

Subject	English	Chinese
tech.	reference address zero point	基地址【计】
tech.	zero reference point	零参考点
IT	zero transmission level reference point	零电平传输参考点
otorhinol.	zero-decibel reference point	零分贝参考点
IT	zero-level transmission reference point	零电平传输基准点
telecom.	zero-level transmission reference point	零电平传输参考点