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()
在现阶段,全面建设小康社会是全国各族人民的共同理想
Attheendoftheconference,allthe_(participate)wereaskedtofilloutaquestiolmaire
“有事实婚姻的”是我国《婚姻法》规定的婚姻无效的法定事由
InAugust1977,asatellitetogatherdataaboutthe10millionblackholeswhicharethoughttobeintheMilkyWay.