This is the Blue - throated, a beautiful bird and magnificent flyer.照片上这种是蓝喉的, 华美的一种鸟.In May of that year, Wilbur sailed to France to demonstrate their new Type A Flyer.那年5月, 威尔伯乘船到法国展示他们新型的“A型飞行器”.They were part of the ...
使磁通以极小的阻力在铁心中流通.The magnetic flux can flow inside the core with extreme low reluctance.缠绕着线圈的铁心叫做电枢.The iron with the wound coils on it is called an armature.电流互感器铁心 ( 如果配备 ) 单独接地.Iron core of CT ( it is supplied ) shoul...
北极光的狭长流光,闪射出蓝色的光芒,横过夜空.Long streamers of Northern Lights flashing blue wisps across the sky.这和北极光的变幻不定极其相似.It was like nothing so much as the phantasmagoric play of the northern lights.这显示的北极光处于地平线发红的在特雷普小湾.This display ...