白色的隆起物在一条脊美鲸的头部是皮肤磨损称为老茧皮。
The white bumps on a right whale's head are skin abrasions called callosities.
鲸鱼图片美术馆。白色的隆起物在一条脊美鲸的头部是皮肤磨损称为老茧皮。
Photo Gallery: Whales The white bumps on a right whale's head are skin abrasions called callosities.
通过对气隙转矩的计算处理，利用小波脊线提取气隙转矩中转子断条故障特征频率分量，克服了分析定子电流信号时的不足，实现了电机转子断条故障的在线监测。
The broken bars faulty can be on-line monitored by extracting feature component based on wavelet ridge. Calculation of air-gap torque overcomes the disadvantages which based on current signal.
鲸鱼图片美术馆。北方的脊美鲸，猎物接近消失，脊美鲸是全部的大鲸鱼中稀罕珍贵的。专家估计只有几百条存在于自然环境下。
Northern right whales, hunted to near extinction, are the rarest of all large whales. Experts estimate that only several hundred exist in the wild.
一个世纪以前只有几百条露脊鲸生存在南半球。
A century ago only a few hundred right whales survived in the Southern Hemisphere.
GD钢中下贝氏体是由一束贝氏体铁素体片条组成的，而每一片条又是由多个贝氏体相变基元组成。下贝氏体中普遍存在中脊。
It is found that the lower bainite consists of packets of bainite ferrite plates, each plate is composed of several bainite transformation units, bainite midrib exists generally.
GD钢中下贝氏体是由一束贝氏体铁素体片条组成的，而每一片条又是由多个贝氏体相变基元组成。下贝氏体中普遍存在中脊。
It is found that the lower bainite consists of packets of bainite ferrite plates, each plate is composed of several bainite transformation units, bainite midrib exists generally.
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