Digital Particle Image Velocimetry (DPIV) is a technology for fast, full field velocity measurement.

粒子图像测速是一种快速全流场测量方法。

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When accumulative flow method was used to model water quality or dynamics of river with DAMS, field velocity data should be available to calculate accumulated flow curve of various cross sections.

在用累积流量法模拟计算水库型河流水动力水质时，应当用实际测流结果来绘制各计算断面累积流量曲线。

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The temperature field and velocity field inside springhouse was numerically simulated.

对冷藏室内的温度场和速度场进行了数值模拟。

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They also calculated impact dose injury risk parameters common to laboratory and on-field traumatic neuromechanics: linear acceleration, angular acceleration, angular velocity, Gadd Severity Index, diffuse axonal injury, acute subdural hematoma, and brain contusion.

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The gravitational field around Mars would have a slingshot effect on a spacecraft, hurling it back toward earth with additional velocity.

WSJ: First Space Tourist to Outline Trip to Mars