Cars cause pollution, both smog and acid rain.汽车造成的污染既有烟雾也有酸雨。attempts to reduce smog caused by traffic fumes旨在降低车辆尾气造成的烟雾的措施The sky over the city was overspread with a heavy smog.城市上空罩上了一层烟雾....
Magnetometer Device used to detect metal objects.磁性检测机检测金属物品的设备.CCM - 4 - magnetometer to measure the magnetic field is the vertical component of the fluxgate magnetometer.CCM -4 型磁力仪是测量地磁场垂直分量的磁通门磁力仪.Operation principle...
Verification or falsification alone is not enough to demarcate science.单凭证实或证伪都不足以为科学划界.Demarcate port is received, the user needs identity test and verify.限定端口接入, 用户需身份验证.A special UN commission was formed to demarcate ...
电视机上的天线插孔an aerial socket on the television新的个人计算机现在都有通用串行总线插孔。All new PCs now have USB sockets.那这个插孔是有什麽功用 呀 ?A that this socket is to has what effect?...