零: zero zero sign; nought差: send on an errand; dispatch法: law零差: homodyne; zero beat; zero difference; zero-beat差法: lsd归零差: misclosure of round零差, 零拍: zero beat零差制: zero-balanced system零拍, 零差: zero-beat零拍,零差: homodyne倍差法: difference-in-difference变差法: method of variable differences动差法: method of moments方差法: variance method积差法: product moment method离差法: departure method; deviation method落差法: fall method浓差法: concentration difference method平差法: adjustment method; compensation method; consummation of errors; method of adjustment时差法: tofd示差法: differential method视差法: parallax method试差法: trial and error method; try and error method外差法: heterodyne method; heterodyne-beat method; process heterodyning; process of heterodyning微差法: differential process