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- A vibration source and a medium are needed to form a mechanical wave. 机械波的形成需要振源和介质。
- Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave. 同方相同频率的两个简谐振动的合成;机械波产生的条件;平面简谐行波的运动学方程。
- Energy of simple vibration, supposition of two vibrations with same direction and frequency, generation and propagation of mechanical wave, physical quantities described mechanical wave, plane harmonic wave. 简谐振动的能量;同方向同频率两谐振动的合成;机械波的的产生与传播;描述机械波的物理量;平面简谐波。
- By applying vibrations to the liver, MRE obtains images of the mechanical waves passing through the organ. 对肝脏振动的同时，MRE可获得机械波穿透器官后所成的像。
- This confirms the idea that the mechanical waves generated from the convection zone are not very effective in heating the chromosphere and corona. 这就证实了一些人认为的对流层机械波并不是一个对色球和日冕的有效加热机制的说法。
- small amplitude mechanical wave equation 小振幅机械波动方程
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- Analysing spectrograms,judging what the mechanical waves or drawing waves are,calculating their wavelength,finding the defective parts and being necessary to control them effectively. 分析波谱图,判断机械波和牵伸波,计算其波长,找出缺陷部件,并有效加以控制。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- 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。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- I was 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。
- The tidal wave formed a terrifying wall of water. 海啸形成一堵骇人的水墙。
- See if you can wave down a taxi. 你挥手，看看能否让出租车停下。
- The boat was swamped with a huge wave. 一个巨浪淹没了那条船。
- On the smooth wave in trembling beauty sleep. 在微浪的美妙颤抖中缓缓合目。
- The move water have mechanical energy. 流动的水拥有机械能。
- She has a natural wave in her hair. 她的头发自然卷曲。
