reentry aerodynamics再入大气层空气动力学High - speed reentry aerocraft is usually with terminal guidance system.高速 再入飞行器通常具有末制导系统.The spaceship made a successful reentry into the Earth’s atmosphere.宇宙飞船成功地重返大气层。The spacecraft made...
她一笑，俊俏的鼻子就会皱起来。When she laughs, she crinkles her perfectly-formed nose.她那俊俏的眉梢怨恨地蹙了起来.Her beautiful face had a resentful frown on it.她迷恋上他那俊俏的外貌了.She's infatuated by his good looks....
We cannot bring ourselves to leave behind those lares and penates.我们舍不得丢弃那些传家之宝.I leave behind my dreams and I hasten to your call.我把梦想丢下,来奔赴我的召唤.Don't bemoan anything or anyone that you need to leave behind.不要再去抱怨那...
渣油加工有脱碳工艺 、 氢工艺及沥青气化工艺.Residue processing can be summarized as decarbonization, hydrogenation and asphalt gasification.含碳的铌合金,若在高温下受氧沾污,易产生脱碳现象.In niobium alloy containing carbon occurs decarburization in case of contami...