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- While avoiding simulated yaw moments as the whirling wing is balanced with a coaxial counter rotating whirling wing. 同时避免由于旋转翼模拟偏航时刻是平衡的同轴旋转旋转翼计数器。
- The method of fan flowrate is tested by static pressure difference is put forward according to the characteristic of series BD counter rotating fan. 根据BD系列对旋式主通风机的结构特点和风流流动特征,提出了静压差法测试风机风量的方法;
- With visualization twin screw extruder, the melting progressing of Polypropylene (PP) in intermeshing counter rotating twin screw extrusion was investigated. 借助于玻璃视窗可视化挤出机,对啮合异向双螺杆挤出过程中聚合物粉料的熔融进行了实验研究;
- Under rotating wave approximation, the total coherent Hamiltonian of photon-phonon coupling system driven by incident field is introduced. 在旋转波近似下，得到在入射光驱动下光子－声子耦合体系的总的相干性哈密顿算符。
- Sacred geometry - the star tetrahedron - which is the Star of David - counter rotating fields linked to the spirals of movement of consciousness from one level of reality to another. 神的几何学-星四面体-就是大卫之星-连接到实相层面到另一个层面意识运转的螺旋计数器旋转场。
- According to the intermeshing mechanisms of co and counter rotating twin screws,the 3D solid modeling of twin screw was realized by using Mechanical Desktop(MDT) of AUTODESK in this paper. 本文根据双螺杆横截面几何造型方程，运用MDT软件包，实现了同向和异向旋转双螺杆的三维实体造型。
- The analysis and test on rotating fan are made to specify the counter rotating efficiency of diffuser tube with diffuser tube(tower),silencer and collector is lower 50% than YB2F(JBT) series. 通过对矿用对旋式通风机的分析试验研究,阐明了带扩散筒-塔和带消声器扩散筒与集流器的对旋效率比JBT型低50%25左右。
- Three dimensional flow simulation of new pineapple-like components in an intermeshing counter rotating conical twin screw extruder with mixing blocks is performed with a finite element package, ANSYS. 对混炼型锥形双螺杆的挤出产量、物料压力、物料流动状态及混合效果进行了大量实验研究。
- Counter rotating axial fan is a kind of down-hole long distance ventilated equipments that just applied in recent years;the in-depth research of it can ensure the safe production of the coalmine. 对旋轴流式通风机是一种近年才推广应用的井下长距离通风设备,对它的深入研究可以使煤矿的安全生产得到大大保证。
- LASER LINEWIDTH WITHOUT ROTATING WAVE APPROXIMATION 非旋波近似下的激光线宽
- without rotating wave approximation 非旋波近似
- Counter rotating axial ventilation fan for mine use 矿用对旋轴流通风机
- twin disc counter rotating type hydro-stone-flat grinder 双盘对转式水磨机
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- There was an enormous cat crouching on the counter. 柜台上蜷伏着一只硕大的猫。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- He placed the money on the counter. 他把钱放在柜台上。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- Can the goods be refunded at your counter? 你们柜台的商品可以退吗？
