When short waves are sent out and meet an obstacle, they are reflected.
短波发出后，遇到障碍物就反射回来。
Similarly, radio stations transmit programs to distant countries in short waves which can travel all around the world.
同样，无线电台用短波把节目传送到遥远的地方，到达世界的各个角落。
This paper puts forward the signals transmission method combining the MSK technique with the radio technique of frequency modulated ultra short waves.
文章提出了采用最小频移键控(M SK)技术与调频超短波无线电技术相结合传输信号的方法。
According to the energy equation, the relation between reflection and energy losses from mild beaches for short waves is analysed. Tests are conducted to confirm the analysis.
本文根据波浪在岸前的能量方程，理论分析了波浪反射与波能损失的关系，并进一步通过试验验证分析了波浪反射系数在岸前的变化趋势。
Short sound waves bounce off even small objects.
短声波即使遇到小物体都会产生回音。
And they found that those who were able to slumber straight through all the [NOISE] showed more short bursts of faster brain waves.
然后科学家们发现能够在非常嘈杂的环境下依然保持熟睡状态的人的大脑中会产生一种更快的短脉冲脑波。
Waves of selling are interrupted by strong short-covering rallies and pronounced lulls.
一波又一波的抛售潮几乎淹没了短期回补与片刻的喘息。
When the waves are short, they go with the jet's flow and the resultant wiggling heads downstream to the east.
当波长短时，他们与急流相向流动，所形成的振荡沿下向东移动。
Earthquakes begin with tremors called P-waves that have short wavelengths and generally do little damage; they may not even be felt by humans.
地震从称为P -波的震动开始，P -波波长短，一般很少损害；人们甚至感觉不到。
Such waves occur most frequently at stormy latitudes, where the storms tend to come in groups traveling in the same direction, with only short periods separating them.
在那里风暴常常是成群出现的，它们沿着同一方向运动，彼此间相隔时间很短暂。
That is because such systems use high-frequency (and therefore short-wavelength) radio waves that readily bounce off small objects that they encounter.
因为该系统往往使用高频电波（所以波长较短），当遇到很小的物体时（ 译者注 ：波长短，频散很严重，导致探测深度浅。
I'll never forget the day she came home from the beauty shop with short hair, all her beautiful waves gone.
我至今还记得很清楚，有一天，她从美发店回家时头发剪短了，原先那头美丽的鬈发不见了。
As gas enters such Spaces and rapidly comes to a higher pressure, shock waves may be dissipated on material surfaces in a very short time.
当气体进入这样的空间并迅速地接触到更高的压力时，冲击波会在非常短的时间内消耗在材料表面。
This radio set can receive on short, medium and long waves.
这台收音机可以接收短波、中波和长波。
Waves of long wavelength are diffracted more than those of short wavelength.
波长较长的波比波长较短的波易形成衍射。
The graphic record shows three waves arriving one after the other at short intervals.
图形记录便显示了在短的间隙内先后到达的三种波。
They thus have sine waves with large amplitudes and short wavelengths, both of which make them easy to see.
这样，这些大行星就具有大振幅与短的波长“正弦波”曲线，而这两种特性让它们能更容易地被观察到。
The hind legs should also be abundantly covered by hair falling in curls or waves, except that the hair should be short and smooth on the front of the legs below the hocks.
后腿上也覆盖着丰富的卷毛或波浪状的毛发，除了后腿飞节下方的前面，毛发短而平滑。
For the same initial amplitudes, the periods are becoming short, the three waves are gradually becoming instability, and the time of strong interaction is shorting with increasing of wave Numbers.
对于相同的初始扰动振幅，随着波数的增加，低频振荡周期缩短，三波逐渐变得不稳定，三波之间较强的相互作用时间缩短。
Laminated imaging of the subsurface structures of materials has been successfully realized by this technique because thermal waves are heavily damped and have short wavelengths.
由于热波是一种高衰减波，且波长短，现已成功地实现了对材料亚表面结构的分层成像。
There are radio waves from Los Angeles, radio waves from San Diego, even short wave radio waves from who-knows-where, all over the place.
有来自洛杉矶的电波、来自圣迭哥的颠簸、甚至有不知哪里来的短波，到处都是。
The generalized kink waves of the short pulse equation were studied by the qualitative theory of ordinary differential equations and numerical simulation method.
用微分方程定性理论结合数值模拟方法研究了窄脉冲方程的广义扭结波。
Using transient traveling waves generated by fault to locate single-phase earth fault or short circuit fault in distribution feeders mixed with overhead lines and cables is proposed.
该文提出利用线路故障产生的暂态行波实现配电架空线、电缆混合线路单相接地及相间短路故障测距，分析了故障初始行波模分量的暂态特征。
The short wave disturbance did not match the undulation of the wind field, and the characteristics of its phase propagation were similar to those of gravity waves.
该短波扰动与风场的波动不相匹配，其位相传播特征与重力波相似。
According to the correct diagram of water waves, the equation of their carve is obtained, which is a short-range cycloid. That provides a new sample for the application of cycloid to mechanics.
根据水面波的正确图示法，推导出水面波的波形曲线方程是一条短幅旋轮线，这为旋轮线在力学中的应用提供了一个新例证。
Because spectrum of ocean waves is short of observation information about the affect of wind force on ocean waves, a wind force model is constructed to simulate ocean waves under wind force.
而现有海浪谱缺少风对海浪影响的观测资料，因此我们进一步构造了风力模型，模拟风力作用下的海浪。
It is shown that both long and short wavelength waves affect the breakup of the conical sheet, and sheet is easy to breakup under the effect of short wavelength wave.
这说明锥形液膜的破碎受到两种长短不同的扰动波的共同影响，且在短波的影响下液膜更易破碎。
Digital systems use signals, which are of pulse form, that is, a series of short-duration square waves.
数字系统使用信号脉冲形成的，也就是说，一系列的短周期平方波。
Digital systems use signals, which are of pulse form, that is, a series of short-duration square waves.
数字系统使用信号脉冲形成的，也就是说，一系列的短周期平方波。
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