zero variation

基本解釋

Actual pitch variation between any two adjacent teeth. In the ideal case, the pitch variation error will be zero.
兩個相鄰的齒之間實際的周節(jié)變動。在理想的情況下，周節(jié)變動誤差是。
blog.sina.com.cn
In this paper, after detailed study of the variation of zero-sequence currents during arcing fault, the disadvantageous effects of arcing on the accuracy of fault line selection are listed.
文中在充分研究電弧故障暫態(tài)零序電流變化的基礎上，指出電弧因素對故障選線準確性的影響。
The result of analysis about CV (coefficient of variation) in R_1 generation suggested that variation in zero point for 1st branches was the highest, and it's frequency of variation was 44.54%;
莖尖途逕形成的再生植株R_1代變異系數分析發(fā)現：在一次有傚枝起點上表現出的差異最大，變異頻率爲44.54%；

But Cochrane finds that cash flow variation accounts for approximately zero percent of market variation.
FORBES: John Cochrane's Unpleasant Fiscal Arithmetic