最通常的区域网络地志学是公共汽车 、 戒指和星.The most common LAN topologies are bus, ring and star.教轴承, 分成三角形, 情节坐标格子, 补偿偏斜并且读地志的地图.Teaches bearings, triangulate, plot co - ordinate grids , compensate for declination and read topographic map...
They had poured fuel through the door of the flat and had then set light to it.他们隔着公寓门往里边倒汽油，然后点着了火。The ship put in at Portsmouth to fuel.船驶入朴次茅斯港口加煤.Antioxygen agent suitable for gasoline, diesel oil, jet fuel and lube ...
The electromagnetic spectrum covers an enormous range of frequencies and energies.电磁波谱包括极大的频率和能量范围.Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.每秒传输30幅...
Mamma fastened the picture on the wall.妈妈把画挂在了墙上。I don't like your mamma lately.最近我不喜欢你的妈妈.Mamma vedi lamia gioia di stare accanto a te.妈妈我不再胆怯当你和我在一起." Oh, mamma, don't row, " answered Jessica. " What's t...