The new method was proposed to design linear synchronous motor with interior permanent under the flux-weakening speed control from the saliency ratio.
从凸极率角度出发，对内部磁极结构电机提出了新的设计方法。
The assemble criterion of sensor for design was advanced. At last, a method of increasing signal-to-noise ratio and reducing flux lower limit value of vortex flowmeter was advanced.
椐此提出通过双钝体诱发卡门涡街增强涡街强度、提高涡街流量计的信噪比，进而降低涡街流量计的流量下限的方法。
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