The rattling model of a onestage gear system was established,in which mass unbalance,speed fluctuation of driving shaft and backlash of the gear pair were considered.
在考虑转速波动、不平衡质量及齿侧间隙等因素的情况下,建立了单级齿轮系统的拍击振动模型,其动力学方程式表示了一个多维映射系统。
Due to the non-smooth characteristics in the gear rattling system,a method of local map was introduced.
针对齿轮拍击振动系统的非光滑特性,引入切换映射分析方法,利用碰撞面上的Poincaré映射分析,得到了齿轮拍击振动系统的Lyapunov指数的计算方法。
A quick, light pat.
轻拍，轻打轻快的拍击
The breaking of waves or surf.
冲击海浪或激浪的拍击
He slapped with the palm of his hand on the table.
他用手掌拍击桌子。
the murmur of the waves.
波涛的轻微的拍击声
The sea rolls its waves onto the sand.
海浪汹涌地拍击着沙滩
Waves dashed against the harbour wail.
海潮拍击着港口的堤防。
The waves are battering at the shore.
海浪不断地拍击着海岸。
The sea waves were roaring and breaking over the rocks.
海浪吼叫着拍击着岩石。
a form of dancing in which dancers slam into one another; normally performed to punk rock.
一种舞蹈形式其中跳舞的人彼此互相拍击；通常表演来拍击石头。
a graceful stroke with the bat
用拍击球的一个优美动作
A heavy surf thundered and burst over an outjutting rock;
怒涛澎湃，拍击着一片横空斜出的峭壁；
We could hear the smack of waves against the side of the ship.
我们能听到浪涛拍击船舷的声音。
We can hear the smack of wave against the side of the ship
我们能听到浪涛拍击船舷的声音
An unaccented beat in a measure.
弱拍节拍中被不重击的拍节
People slapped me on the back after the fight, ie to congratulate me.
拳击比赛後大家拍拍我的背（以示祝贺）.
hit(sth)with a bat
用板（或棒、拍）击（某物）
I came into the ball with a forehand return.
我用正手拍反击那球。
The surf beat upon the beach.
海浪不断地击拍着沙滩。