摆动

The branches of the drooping willows were swaying lightly.

垂柳轻飘飘地摆动.

According to the working principle of dielectric elastomer swinging actuator ( DESA), swinging actuator is designed and manufactured.

根据介电弹性体摆动驱动器的工作原理，设计了摆动驱动器。

The ball which hung the roof is compound pendulum.

悬挂在墙上的钟来回摆动.

Swing equation of a shaft-shaped synchronous satellite is based on Lagrange's equation, and the formula of the swinging period is gained that the satellite's swing plan and orbit plane form random angle, whose result is more universal.

用拉格朗日方程建立杆状同步卫星的摆动方程，得出卫星摆动平面与轨道平面成任意角时的摆动周期公式，其结果更具有普遍性。

The dental abrasive testing machine applies a V-like swing arm to driving the wearing part to move along the slope back and forth, which is connected with an eccentric wheel fixed on the crankshaft of the gear motor through a connecting rod.

该机采用V形摆动臂来驱动磨耗部分沿斜面作往复磨耗运动，V形摆动臂通过连接杆与减速电机轴上的偏心轮连接。

A little bird was bobbing its head up and down.

一只小鸟把头上下快速摆动着.

Her body swayed in time with the music.

她的身体随着音乐节拍摆动。

The speedometer was rocking between 60 and 65.

速度表在60至65之间摆动着.

MACD oscillator with no fixed value line, and the value moves around zero up and down.

MACD没有固定的数值线, 其数值围绕零值上下摆动,属摆动指标.

The small boat was bobbing on the rough water of the lake.

小船在汹涌的湖面上下摆动.

Computation results of swing up by2 swings and3 swings are given as well.

文中给出了两次摆动和三次摆动甩起的时间优化轨迹的计算结果。

Your arms should be at a90 degree angle and should be moving forward and back ( rotating at the shoulder), not side to side.

您应该肘部弯转90度，双臂前后摆动（旋转，以肩部为中心），而不是左右摆动。

Don't go near that lashing tail.

别靠近它摆动的尾巴。

Keeping your back straight, swing one leg backwards.

挺直腰背，一条腿向后摆动。

Wiggle , wiggle, wiggle your finger as quickly as you can.

摆动,摆动, 摆动你的手指, 尽可能的快.

His ears wiggled if you scratched his chin.

如果你挠他的下巴，他的耳朵就会摆动。

the oscillation of the compass needle

罗盘指针的摆动

The paper made a study on the function of lifted leg's action, the features of sports biology and the effect caused in the takeoff phase of long jump.

就有关跳远起跳阶段摆动腿的摆动动作功能，运动生物学特征，及其产生的作用进行初步的探讨。

Wiggle , wiggle, wiggle your fingers as quickly as you can.

摆动,摆动, 摆动你的手指, 尽可能地快.

The equation of dynamics of bifilar pendulum has been sol-ved in this paper. The formulas to calculate free swing period under small and large angular amplitude conditions are given, and error analysis is discussed briefly.

本文求解了双线摆的动力学方程，得出了计算小角度摆动和大角度摆动时双线摆动周期的计算公式，并进行了误差分析。

During toothbrushing, bristles should be placed at an angle against the gum margins, gently move the toothbrush back and forth in small amplitude like massaging the gums with only the bristles moving but the toothbrush head hardly moves.

刷牙时，刷毛要斜斜的放在牙龈旁边。刷牙的动作幅度不要大，前前后后的，好像在摩擦牙齿，刷毛在摆动，但牙刷头只是少许摆动。

He gestured me over with a movement of his head.

他摆动一下头示意我过去.

The windscreen wipers thudded back and forth.

挡风玻璃上的雨刮“啪嗒啪嗒”地来回摆动。

The curtains were flapping at the open window.

窗帘在敞开的窗前摆动.

The willows swayed in the breeze.

柳条迎风摆动.

All the subjects adopted the bent-leg mode. The swing height of the swing-leg was rather low after the jump.

研究对象起跳均采用屈腿摆动方式，起跳结束瞬间摆动腿摆动高度偏低；

They also move their tails up and down when they swim, while fish move theirs sideside.

而鱼却是冷血动物.鲸鱼甚至长有毛发,不过并不浓密. 它们在游动时也会上下摆动尾巴,不像鱼类是左右摆动尾巴.

A first swing roller is arranged on a first swing arm; the first swing arm is arranged at the front upper part of a stand through a bearing with a seat;

其第一摆动辊装在第一摆动臂上，第一摆动臂通过带座轴承安装在机座的前上部分；

The windshield wipers clacked back and forth.

挡风玻璃上的雨刷咔嗒咔嗒来回摆动。

To vibrate three times as fast, or once in every third part of a second, the cord had to be only one-ninth of39.1 inches in length.

要使其摆动速度提高三倍，亦即每三分之一秒摆动一次，绳子的长度则只能是39.1英寸绳子长度的九分之一。