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风洞
1、aerodynamic drag───空气动力阻力;气动阻力
2、tunnel to───隧道
3、tarsal tunnel───[医]跗管
4、immersed tunnel───沉埋隧道;沉埋式隧道
5、aerodynamic───adj.空气动力学的,[航]航空动力学的
6、aerodynamic performance───气动性能;空气动力性能
7、tunnel───n.隧道;坑道;洞穴通道;vt.挖;在…打开通道;在…挖掘隧道;vi.挖掘隧道;打开通道
8、make tunnel───制造隧道
9、dark tunnel───黑暗隧道
1、Astrium has done considerable work already on the Romeo rocket engine that would power the climb to space, and wind tunnel testing has proven the aerodynamic shape.───Astrium公司已经对Romeo火箭引擎进行了相应的改造工作,以驱动飞船爬升至太空,并且风道测试已经证实了气动外形。公司很快将会开始火箭发动机测试。
2、The calculated piston wind velocity accords with the measured result on site through making a comparison with tunnel aerodynamic test data of real vehicles.───以实车的隧道空气动力学试验资料为参照进行对比计算,计算活塞风速度与实测结果较好符合。
3、Compared with the spacecraft instrumentation, the ground air disturbance, the unsteady aerodynamic flow on crossing event and inside tunnel impose more challenges on the head design of HSR trains.───与航空飞行器相比,高速铁路由于还要面临地面气流的扰动,两车交会时气体的震荡,以及车体通过隧道时的气流变化,因此高速列车的头型设计比飞机更具挑战性。