在Excel中通过分类汇总可以计算某一列每组的平均数、行数、合计数。
错误
暂无解析
单匝平面载流线圈的面积为0.lm2，通以电流强度为0.4A的电流，该线圈的磁矩大小为______A·m2
Theteacherrequiredthatallerrorsshouldbe_______eliminatedbeforethestudentsturnintheirtermpaper
_______(safe)needstobeimprovedontherailwaysinthatcountry
Itisnotabadmovie,butthereisnothing_(origin)aboutit.
Itisessentialthatyou__________anydocumentcarefullybeforesigningit.