Nonlinear vortex-induced force identification on beat state of 1-D bluff body vertical vortex-induced vibration
一维钝体竖向拍振非线性涡激力识别
The relation between the symmetry of the beat figures and the frequency ratio n 1/n 2,the initial phases Ψ 1?Ψ 2 of the component of vibrations is analyzed.
分析了拍图形的对称性与分振动的频率比n1/n2 及初相Ψ1、Ψ2 之间的关系 ,导出了不同的Ψ1、Ψ2 (0 ,π ,±π/ 2 )与Δn(Δn =n1-n2 为奇数或偶数 )的配搭情况下的拍图形对称性规律 ,得出了拍图形对称性决定于Ψ1、Ψ2 和Δn的结
The phenomenon of beats can be observed directly on the double-channel oscillograph and the frequency of alternating current can be measured by the vibration curve of the beats.
在双通道示波器上可直观地观测拍现象 ,并利用拍振动曲线测量交流电的频率。
In this papaer,using double channel scope,the phenomenon of Lisaru figure and beats can be observed directly,the compose of simple harmonic motion on scope is deeply understood by the students.
本文通过用双踪示波器来观察李萨如图形和“拍”现象 ,加深学生对两种特殊形式的简谐振动合成的理
Study on the Auction of Initial Emission Tradable Permits Based on the Endogenous Information Structure;
基于内生信息的初始排污权拍卖机制研究
A job assignment scheme based on auction and swarm intelligence;
一种基于拍卖与群体智能的作业分配方法
Dynamic target assignment method based on multi-agent decentralized cooperative auction;
基于多Agent分布协同拍卖的动态目标分配算法
He tapped me on the shoulder.
她轻轻地拍拍我的肩。
A quick, light pat.
轻拍,轻打轻快的拍击
He clapped his friend on the back.
他拍了拍他朋友的后背。
Clap your hands and stamp your feet.
拍拍你的手跺跺你的脚。
I patted the dog and she wagged her tail.
我拍拍狗,它就摇摇尾巴。
Jude slapped his pocket.
裘德拍了拍他的口袋。
Clap them soft-ly, one, two, three.
轻轻拍一拍,一,二,三。
triple time
三拍子(每小节三拍)
quadruple rhythm has four beats per measure.
四拍子是每小节四拍。
common time
普通拍子(指二或四拍)
keep one's tennis racket in a press
把网球拍放在球拍夹中
To keep time by counting beats.
打节拍通过打拍字来算节拍
It's safe to pat the dog on his back, but not on his nose.
拍拍狗的脊背没有,而拍鼻子则不行。
To be a toady to or behave like a toady.
拍…的马屁向…拍马或表现得象个拍马者
One that conducts an auction.
拍卖商,拍卖人指挥拍卖的人
racket head
球拍前部(包括拍框和拍面)
An unaccented beat in a measure.
弱拍节拍中被不重击的拍节
common time,ie two or four beats in each bar
普通拍子(每小节两拍或四拍)
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