动的

The effect of rotor flexibility on self-excited whirl is discussed, and a method is given to determine the stability threshold of a rotor-hybrid bearing'system.

讨论了转子柔性对自激涡动的作用，提出了在设计转子混合轴承系统中实用的确定稳定性阈值的方法。

But it is bad news for the pearl industry, which is fretting over the sinking value of pearls.

但它是个坏消息的珍珠产业，这是微动的沉珍珠的价值。

P% D' b.{0 影视帝国,bt,bt电影,bt连续剧,bt动漫,bt游戏 The movie will shift its focus on Adam Stifler, the cousin of Matt and Steve (Seann William Scott in the first three films), a youngster who is nothing like his wild relations.

这部影片的焦点转向了Adam Stifler，他是Matt和Steve（Seann William Scott出现在前三部影片中）的堂兄，是个小毛孩，一点也不象他那些狂野的亲戚。

An early form of streetcar that was drawn by horses.

用马拖动的早期的街道车的形状。

The Marin Independent Journal said in an editorial, We don't believe for an instant that the drone keeping Sausalito houseboaters awake at night is caused by a bunch of romantic toadfish humming their version of the Indian Love Song.

「海洋独立期刊」社论这麼说：「说什麼我们都不相信，把沙沙里多船屋居民吵得整晚失眠的低沉声音，是一群春心大动的蟾鱼哼的印度情歌。

Space vector modulation is an effective measure to eliminate the electrical harmonics in the power electronic system and, consequently, is possible to be utilized to reduce the torque ripple in an inverter-fed motor.

空间矢量调制是一种常用的消除电力谐波的调制技术，更可用于电机控制中转矩脉动的削减。

In this game, you and a computer-controlled opponent are playing vertical scrolling shooters, split-screen style.

在该游戏当中，你和一个一个计算机控制的对手在垂直卷动的分割风格的屏幕上进行射击游戏。

Very very very quiet and careful walking behind the chair, and started to prepare, when Mommy's head and hand not moving, it means she is concentrate reading something from monitor....

小心翼翼的走到妈妈椅子后面。。。。。然后准备。。。。。当妈妈的头和手没有动的时候代表她此时正在专注。。。

Some warm-blooded animals lead an active life that maintains their normal body temperature even in very cold winter condition.

一些温血动物过着多动的生活，这使它们在很冷的冬天里也可以保持正常的体温。

The difference is discussed in the paper and a novel PMSM DTC system based on the fuzzy distribution of zero voltage vector strategy is proposed at last. Simulation results show that the new method decreases the torque ripple after using zero voltage vectors properly.

论文分析了零电压矢量在永磁同步电机直接转矩控制系统中的作用，并提出了一种基于模糊零电压矢量分配策略的永磁同步电机直接转矩控制方法，仿真结果表明该方法有效地利用零电压矢量达到了减小转矩脉动的目的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。