The resulting radiation is known as airglow.其发出的辐射称为气辉.The nighttime airglow, or nightglow, correspond to the intensity of a candle at 100 m distance.夜间辉光或夜辉相当于在100米距离的一支烛光的强度.These techniques include the ionospheric tom...
The fence is strategically sited to prevent anyone getting onto the beach.这个围栏的地点选择得很有策略,可以阻止任何人到海滩上.He said chemical weapons had never been sited in Germany.他声称从未在德国部署过化学武器。Of necessity they are sited near the coasts or...