常見例句雙語例句It is a postulate in the test to measure dynamic parameters of rocket sled accurately.對火箭滑車自身動態(tài)參數(shù)的精確測試是試驗順利進行的基本條件。Rocket sled test tracks, requirements for the construction and performance and characteristics of the tracks are briefly described.本文簡要介紹火箭橇試驗滑軌的概況、建造要求及性能特點。China has successfully built the world's only track—XB high accuracy rocket sled test track, of which the rails are specially machined and then welded continuously.我國已成功地建成世界上唯一的、鋼軌經(jīng)精密機械加工后再全程焊接的XB高精度火箭橇試驗滑軌。 返回 rocket sled test