加速度和速度都是矢量。Acceleration and velocity are both vectors.所有太空人都应能承受加速度.All spacemen must be able to bear acceleration.摆式加速度计的设计与陀螺设计有很多共同之处.The pendulous accelerometer design had much in common with the gyro design....
"What shall we do?" Milton said again in a toneless voice.“我们该怎么办？”米尔顿又用平板而单调的声音问道。Milton let out his breath in a long exhalation.米尔顿长长地呼出一口气。Those lines of Milton flashed into my mind.弥尔顿的那几行诗忽然在我脑中闪过。...
本对动物总是有着深厚的感情。Ben has always felt a deep involvement with animals.盖尔语有非常深厚的诗歌传统。There's a very rich poetic tradition in Gaelic.全中国都在深厚的冷空气爆发的控制之下.All China was in the grip of a deep cold outbreak....