Referenceground, sometimes called a return path or signal common, is usually the reference potential of interest.
参考地,通常是指潜在的参考端,有时被称为回路或公用信号。
2
Even namely afterward Zhao Wen to living, knew once had this, also made oblique referenceground to once ask her some times, nearly have no annoyed she.
甚至是后来的赵文生,知道了曾经有这一出,也旁敲侧击地问过她好几次,差点没烦死她。
3
The Instrument Rating gives the ability to control the aircraft without reference to the ground or horizon, using flight and navigation instruments.