Sampling plane truncation error is a very important factor of affecting the result in time domain near field measurement.
采样面截断误差是影响近场测试结果的一个很重要的因素。
In the structural plane occurrence measurement by the conventional method in the under-investigation area that is under the interference of a strong magnetic field, the data obtained are often unreal.
在强磁场干扰的调查区域，应用传统的结构面产状测量方法所测得的产状数据不真实。
Wind tunnel measurement gives the velocity field and vorticity field in intersection plane at different downstream position, which is up to 20 times cord-length.
风洞实验采用PIV测量了沿流向下游不同截面的涡量场和速度场，测量截面距机翼后缘最远达到20倍弦长。
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