显然磁导率不是常数.It is evident that the permeability is not a constant.幸而, 目下已有兼备高磁导率和低磁导率损耗的铁和铁合金,可资利用.Fortunately, iron or iron alloys are available which combine high permeability with small hysteresis loss.因此, 通过测量磁导率, 残余应力...
The police roadblocks are still in place and the immediate vicinity of the house remains cordoned off.警察设置的路障还在，房子四周仍然用警戒线隔离着。Police cordoned off the area until the bomb was defused.警方封锁了这个地区直到炸弹被拆除为止。Police cordoned off...
Land masses extrude into the sea.大片陆地延伸到海里.One tool of paramount importance Meshes is the Extrude command ( EKEY ).挤压工具 ( EKEY ) 于多边形建模来讲是非常重要的.It adopts outer pipe co - extrude technology, improving the joint stress amo...