1.  hodograph
2.  velocity plan

• 1. 速度图: velocity diagram | diagram of velocities | hodograph
• 2. 加速度图: acceleration diagram | acceleration profile | accelerogram
• 3. 速度图平面: hodograph plane

更多释义

• 1.通过编制全球数千次地震的地震速度图，他们还可以开始绘制地幔的温度和密度图。
  By compiling a map of seismic velocities from thousands of earthquakes across the globe, they can also begin to map temperatures and densities throughout the mantle.
  dict.yoduao.com
• 2.了解位置、速率和加速度图。
  Learn about position, velocity, and acceleration graphs.
  dict.yoduao.com
• 3.这说明对于实际地震加速度图，其功率谱是与均值速度反应谱相对应的。
  This means that for actual earthquake accelerograms their power spectrum corresponds to mean response spectrum.
  dict.yoduao.com

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