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- On striking the earth, the sky wave bounces back again. 一打到地面,天波又弹跳回来。
- The wave effects are not peculiar to electrons. 波的效应不是电子独有的。
- Inevitably, some technically difficult problem must be solved, including the variety of speed about tropospheric propagation, the sky wave disturbance and the near-far problem. 但是,不可避免的遇到几个技术难题,包括无线电传播速度变化的影响,天波干扰问题,以及远近效应问题。
- This article expounds a method for calculation of the water wave effect on aerodynamics of a three-dimensional vehicle flying close to water surface. 本文以边界元法为基础,在线性水波的假定下,对贴近水面飞行的三维飞行器,提出了一种计算气动力中水波效应的方法。
- Seismic traveling wave effect can severely influence the seismic responses of un-control, semi-active control and active control of long span rigid-continuous bridge in lognitudinal and transverse direction. 地震行波效应会对大跨刚构-连续桥梁纵桥向与横桥向的无控制、半主动控制和主动控制地震反应产生严重影响,它对桥梁的主梁和桥墩均会产生不利影响,而不是只对主梁产生不利影响。
- Multi-span continuous bridges have large extended length longitudinally,the more rational method for seismic response analysis should be performed considering the traveling wave effect. 多跨连续梁桥纵向延伸长度比较长,进行地震反应分析时应考虑地震波有限波速传播所引起的行波效应。
- Multi-span continuous bridges have large extended length longitudinally, the more rational method for seismic response analysis should be performed considering the traveling wave effect. 多跨连续梁桥纵向延伸长度比较长,进行地震反应分析时应考虑地震波有限波速传播所引起的行波效应。
- sky wave propagation for low frequency 低频天波传播
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- a sky wave that is reflected by the ionosphere 通过电离层反射回来的天波
- high-frequency sky wave field strength 高频天波场强
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- a sky wave that is reflected by the ionosphere. 通过电离层反射回来的天波。
- "Near-Vertical Incidence Sky wave"antenna “NIVS”天线
- Study of Ultrasound wave Effect on Mouse Fetus 不同孕期不同条件超声辐照对胎鼠生长发育的影响
- The sky is bespangled with stars. 天空中点缀着亮晶晶的星星。
- Lightning zigzagged across the sky. 闪电曲折地在天空划过。
- Sky Wave Synchronized Long Range Aid to Navigation 天波同步远程导航辅助设备
- sky wave over the horizon radar(SWOTHR) 天波超视距雷达