您要查找的是不是:
- In this paper, HBM method and numerical method are utilized to study a mechanical system with clearance. According to the analysis, it is found that some peaks exist in some frequencies which are odd times of the exciting frequency. 用谐波平衡方法和数值积分方法 ,分析了受单频激励的含间隙机械系统的动力学响应 ,发现在频域中存在多个峰值 ,其对应的频率值为激励频率的奇数倍。
- The method can be applied when the size of hull grillage beam and exciting frequencies cannot be easily changed. 该法适用于船体板架尺寸、激励频率不易改变的调频情况。
- Synchronous rectification produces a ripple frequency twice that of the excitation frequency and thus is easier to remove with a lowpass filter. 同步稳压产生两倍激励频率纹波频率,因此更容易被低通滤波器去除。
- Cropping mechanism is a key component for variant frequency vibration cropping,and its excited frequency directly affects manufacturing quality and production efficiency. 变频振动下料机构是变频振动系统的重要执行部件,其激振频率直接影响制造质量和生产效率。
- The results indicate that the shroud bend works better than the mid-span shroud when the excitation frequency is lower than twice of the first eigenfrequency. 数值结果表明:当激振力频率低于两倍固有频率时,叶顶处的阻尼结构减振效果要优于凸肩阻尼结构;
- The critical speed which causes sympathetic vibration is gained by solution of excited frequency so that the resonance vibration of system can be avoided effectively. 通过对激振频率的求解,得到引起链传动系统共振的临界转速,从而有效地避开共振。
- I don't find cricket very exciting. 我觉得打板球没有劲。
- That party is only too exciting. 那个晚会真是激动人心。
- Do you think football is an exciting sport? 你认为足球是一种激动人心的运动吗?
- The control object is the total acoustic power level of net power flow input to the main system in whole excitation frequency band. An optimum design method of Multiple Dynamic Vibra - tion Absorbers(MDVA)is studied. 本文以简支薄板为主振系统,对其附加复式动力吸振器,提出以输入系统的净功率流在整个激励频带内的总声功率级为控制量的优化设计方法。
- Investigations were conducted by varying the parameters of the ultrasonic excition frequency,the porosity of cancellous bones and the characteristic size of the trabeculae,respectively. 分析结果表明:由于散射而引起的衰减占松质骨中总的超声衰减的26%25左右;
- The new model come in an exciting range of colour. 这种新式样有各种鲜艳的颜色。
- Acording to the relationship between the natural frequency and the excitation frequency, those corresponding modes mostly close to the excitation frequency can be selected automatically. 该方法可根据激振力频率与基系统固有频率集的关系,自动选择最接近激振力频率的相应模态个数。
- I think football is an exciting sport. 我认为足球是一种刺激的运动。
- We went to an exciting football game last week. 我们上周看了场激动人心的足球比赛。
- That game was not very exciting. 那场比赛并不怎么精彩刺激。
- The chase is often more exciting than the kill. 追捕常常比猎杀更令人兴奋。
- He was enthralled by the exciting story. 那紧张的故事使他看得入神了。
- Man alive! What an exciting ball game! 我的天啊!这球赛真是太精彩了!
- He varied the transmission frequency. 他变换了无线电传送的频率。