Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.
基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。
It is not possible to determine whether both continents are moving in opposite directions or whether one continent is stationary and the other is drifting away from it.
我们不可能确定是两个大陆在向相反的方向移动，还是一个大陆是静止的，而另一个大陆在漂移。
Developed and developing countries are moving in opposite directions.
发达国家和发展中国家的发展趋势完全相反。
If you used to tune to television stations in towns that send signals in opposite directions, you may have to choose which antenna you want most.
如果你过去经常调到镇上那些信号发射方向相反的电视台，那就只好选择你最想要的朝向的天线。
Materials prices could move in opposite directions.
而材料价格则会沿着相反的方向移动。
Since then, we have each changed in opposite directions.
从那时起，我们都在向相反的方向变化。
Sloping downward in opposite directions, as in an anticline.
'背斜'。''的沿不同方向向下倾斜的，如在''。'背斜'。 ''地势中。
Both Numbers may slide synchronously in opposite directions.
两数可以同步地向相反方向移位。
The discs whirred in opposite directions some 26 times a second.
铁盘以每秒26周的速度向相反方向旋转。
He squeezed her skin in opposite directions until it stretched whitely.
他向两个相反的方向捋捏她的皮肤，直到她的皮肤变白。
Contrary motion describes the movement of two voices in opposite directions.
反行进行用来描述相反方向的两个音的运动。
To impart a spiral or coiling shape to, as by turning the ends in opposite directions.
使成螺旋状，使成卷曲状：使成螺旋形或盘绕的形状，如两头转向相反的方向。
The electric field then coaxes these free electrons and holes to move in opposite directions.
电场引力使自由电子和“孔”都朝相反方向移动。
True friendship is when two friends can walk in opposite directions, yet remain side by side.
真正的友情是即使两个人走着相反的路，也还一直肩并肩支持着对方。
The two views are aligned along the midplane of the body and pointing in opposite directions.
两边观看是身体的盆腔中段平面和相反方向的弄尖排成一行。
The prices of gold and more mundane metals may therefore start to move in opposite directions.
黄金和其他普通金属的价格亦可能会因此开始下跌。
The ions in the two tubes will travel in opposite directions to increase the power of the collisions.
两管中的离子将沿着相反的方向加速，以增加碰撞的能量。
Unfortunately, sometimes the real situation falls into multiple cases (pointing in opposite directions).
遗憾的是，有时现实情况会涉及多种情形(指向相反的方向)。
He is recognizable as having his two faces pointing in opposite directions, like the two sides of a door.
他很容易被认出来，因为他的两张脸是朝着相反的方向的，就像一扇门有两面一样。
The cylinders spin in opposite directions, creating suction that immediately prevents eddies from forming.
气缸向相反的方向旋转，所产生的吸力立刻阻止了涡流的形成。
Direction: physiognomy tangential contact with, and objects with relative movement trends in opposite directions.
方向：面相切接触，并与物体的相对运动趋势的方向相反。
The subway is undergoing repairs, and sometimes trains going in opposite directions take turns using the same track.
地铁正在进行维修，有时两列对开的地铁只能轮流共用一条轨道。
These magnets will generate local magnetic fields that point in opposite directions at different points on the chip's surface.
这些磁铁可产生局部磁场，从相反的方向作用于芯片表面不同位点。
But if you used to tune to television stations in towns in opposite directions, you may have to choose which ones you want most.
但是如果你习惯调到镇上那些信号发射方向相反的电视台，那就只好选择你最想要的朝向的天线。
Grunberg's team prepared their three-layer sample with the magnetization in the two iron layers pointing in opposite directions.
grunberg的研究小组准备的三层样品中的两个铁层的磁化方向相反。
The area will be bounded by a ring-shaped bypass and have an internal one-way traffic system running in opposite directions.
这个区域将被一个环型的小道包围和有一个内部的单行交通系统在它相反的方向运作。
For a time, surface and subsurface current are in opposite directions; flow is seaward at the surface and landward near the bottom.
在一个时期，表层和次表层的水流方向相反；表层水流向外海方向流动，靠近底层的水流则向陆地方向流动。
For a time, surface and subsurface current are in opposite directions; flow is seaward at the surface and landward near the bottom.
在一个时期，表层和次表层的水流方向相反；表层水流向外海方向流动，靠近底层的水流则向陆地方向流动。
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