磁化过程包括许多小而不连续的磁通变化.The magnetization process consists of many small discontinuous flux changes.他在1941年制成了一台磁通脉冲传感器.He perfected a flux - gate sensor in 1941.使磁通以极小的阻力在铁心中流通.The magnetic flux can flow inside the core with...
The village was formed of semicircle huts.这个村庄是由半圆形的茅舍组成的.He indicated a semicircle with a radius of about thirty miles.他标示出了一个半径大约为30英里的半圆形。a semicircle of chairs摆成半圆形的椅子We sat in a semicircle facing the teacher.我们面对着老师...