The secret of the machine lies in the aerodynamic shape of the frame.该机器的精妙之处在于其构架呈流线型。An effective aerodynamic optimization design method of transonic airfoil is given.提出了一种有效的跨音速翼型气动优化设计方法.Various aerodynamic devices, ...
We crossed a small iron bridge over a meandering stream.我们穿过架在蜿蜒小河上的一座小铁桥。The village seemed deserted except for small boys and a meandering donkey.整个村子的人都像是逃光了,只留下了几个小男孩和一头正在游游荡荡的小毛驴.We often took a walk along the meand...
Nonperturbative vacuum average value of two point function of two gluon with translational invariance is evaluated.在洛伦兹规范条件下,导出了具有平移不变性的双胶子两点函数非微扰真空平均值.The vacuum flask has a strong casing, which won't crack or chip...
The dagger stuck tightly in the silver scabbard.匕首牢牢地卡在银质刀鞘中。To draw from or as if from a sheath or scabbard.拔出从剑鞘或枪套中或仿佛从剑鞘或枪套中拔出.After scabbard film accumulates fluid operation how should recuperate?鞘膜积液手术后该怎样调理?...
We can also adopt sand shell moulding or metal mold casting as for allotype castings.对异形铸件,还可用砂型铸造或金属型铸造.Authors mainly introduce quality control of allotype caisson in prefabrication, float transport and installation pr...