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- Fathermore it is also proved that the approach of correctional coefficient may lead to lower frequencies, especially for the first natural frequency. 用推荐的流固耦合计算方法，分别计算了浸入水中船体单臂和双臂尾轴架的固有频率，进一步证明了修正系数法导致了偏低的频率，特别是基频的计算值。
- It is shown that the effects of the stiffness and inertia of the piezoelectric element that lead to higher first natural frequency on the natural frequencies of the beam are significant, and that of the elastic modulus of the bonding layer is small. 研究表明，压电元件的刚度和惯量对梁的频率影响很大，变截面智能压电梁的一阶固有频率总是高于等截面梁的固有频率。
- First natural frequency 一阶弹性固有频率
- Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程（4－198）给出了一级近似下的固有振动频率的改变量。
- Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The natural frequency of horizontal drift of moored systems is far lower than that of the first order motion. 系泊船舶的水平慢漂运动的自然频率远低于一阶运动的自然频率。
- It is concluded that the long and flat shape of the interlayer decreases the first bend natural frequency. 分析指出一阶整体纵向弯曲固有频率偏低是由夹层的扁平长结构导致。
- Adam is the first natural earred dog ever win an AMSC Sweepstakes!!! 它是第一只获奖的未裁耳小雪!!!
- It is the natural frequency of emission of the hydrogen atoms in space . 这是空间氢原子“释放”的自然频率。
- The first ten natural frequency and vibration models of the lathe-bed are obtained and we analyze the result.It is very essential to us to research into dynamic chara... 本文建立了某型立铣床床身的三维有限元模型,并利用大型有限元分析软件ANSYS进行了模态分析,得出了床身前十阶固有频率和振型。
- It is the natural frequency of emission of the hydrogen atoms in space. 这是空间氢原子“释放”的自然频率。
- This paper analyzes the problem of recovery methanol from sewage containing methanol of first natural gas treatment plant of Changqing gas field. 分析了长庆气田第一天然气净化厂甲醇回收装置运行中存在的问题。
- The natural frequency of specimen decreases as the crack length increases. 随着裂纹长度的增加，试样的固有频率逐渐减小。
- The navy is sail through to the peninsula of Greece, the ground force makes a detour in Thrace the first natural barrier pool and green valley of Greece are attacked northwards. 海军直航希腊半岛，陆军则绕道色雷斯向北希腊的第一天险潭碧谷进攻。
- The swing is a pendulum with a single natural frequency depending on its length. 秋千是只有一个固有频率的摆，此频率决定于它的长度。
- The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline. 利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
- Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes. 关键词：微型陀螺仪、矽单晶、三轴角速率感测、振动自然频率与模态。
- Amurensins B (2), C (3) and J (10) were the first naturally occurring resveratrol trimers and tetramer with a cis dihydrobenzofuran moiety. 在Amurensins B(2)，C(3)，J(10)的结构中都具有一个顺式苯骈二氢呋喃环，它们是首次发现的具顺式苯骈二氢呋喃环的天然低聚?类化合物。
- The lower the natural frequency of the FST is, the better the performance of vibration isolation is. 浮置板系统的固有频率越低，隔振性能越好。
- It is your first nature to be unconditionally loving. It is your second nature to choose to express your first nature, your true nature, consciously. 无条件的爱是你的第一天性，而你的第二天性是自主的选择何时展现你的第一天性，你真正的天性。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
