双凸 [
shuāng tū]
biconvex
convexo-convex
- 在上面外稃后面面对离开轴; 稀疏的小穗双凸,长圆状椭圆形。
Back of upper lemma facing away from rachis; spikelets thinly biconvex, oblong-elliptic. - 双凸极电机的径向磁吸力是电机产生振动与噪声的主要来源。
The radial magnetic force is the primary source of vibration and noise in doubly-salient motor. - 电励磁双凸极电机是一种新型交流无刷电机,它具有简单的结构、高可靠性、较高的能量密度和高速运行能力。
Doubly Salient Electro-Magnetic Motor is a relatively new type of AC brushless machine, which offers an excellent balance between cost, reliability, power density, and high-speed capability.
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