The melting ice caused a rise in sea level.冰川消融造成海平面上升。We're probably at an elevation of about 13,000 feet above sea level.我们可能在大约海拔13,000英尺的高度。The whole place is at sea level.整个地区与海平面齐平。...
The doctor asks how he can be amazedly so cropland.医生吃惊地问他怎么会弄到这般田地.A great ship asks for deep waters.大船要走深水。Goodwife asks famous tenor singer Simier sings a lyric song.女主人请闻名男高音歌唱家斯米尔唱一首抒情歌曲.Lucilla often asks her siste...
地球上的方向是通过方位角测定的.Direction on the sphere is measured by azimuths.每个交叉点上的一条边的长度和方位角是一开始就决定的.The length and azimuth of one side at each junction point is first decided on.方位误差必须观测天文方位角 ( 及经度 ) 来控制.The error in azimuth must ...