Magnetic field curve distortion is found at the position of magnetic pole edge in Hall effect experiment, using HL-5 Hall effect testing instrument.
在利用HL-5霍尔效应测试仪测量磁场的实验中，发现有些仪器的测量曲线在磁极边缘附近存在畸变。
The ejection from the half slot only blows away the vortex on the slot surface, and has little effect on the flow field near the trailing edge.
半开缝时，喷气的引入仅吹除了附着在开缝处的漩涡，对于尾缘处流场影响不大。
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