振子

In this article, We consider two important models for second order sublinear differential equations: the existence of infinitely many subharmonic solutions for Duffing equation with bounded restore force and for the sublinear impact oscillator.

本文考虑被数学和其他科学、工程领域的研究人员广为关注的两个重要的二阶次线性微分方程模型：具有有界恢复力的Duffing方程和次线性碰撞振子的无穷多个次调和解的存在性。

In this article, We consider two important models for second order sublinear differential equations: the existence of infinitely many subharmonic solutions for Duffing equation with bounded restore force and for the sublinear impact oscillator. They have attracted lots of researchers attention in mathematical, other scientific and engineering fields.

本文考虑被数学和其他科学、工程领域的研究人员广为关注的两个重要的二阶次线性微分方程模型：具有有界恢复力的Duffing方程和次线性碰撞振子的无穷多个次调和解的存在性。

New type of valveless piezoelectric pump driven by Cymbal actuator was put forward.

bstract 设计了一种以Cymbal振子为驱动器的新型无阀微压电泵。

In chapter two,we review and develop mechanism for three cooperativetransitions,including the cooperative electronic transition of two RE ions,external and internal vibronic transitions.We explain the principle of thesecooperative transitions and obtain,the relations between the oscillator strengthof these transitions and other parameters.

第二章回顾、总结和发展了几种联合跃迁，包括稀土离子对的联合电子跃迁、内电子振动跃迁和外电子振动跃迁的量子力学理论，解释了这些联合跃迁产生的机理，得到了其跃迁的振子强度同各种因素的关系。

The optimal design of the viscously damped beam-oscillator and plate-oscillator combined system are studied.

研究了含离散弹簧质量振子连续梁和连续板混合系统的响应优化设计问题。

They are soldered directly to the elements, as shown in picture.

他们直接焊接在振子上，如图所示。

Carbide products company's main products: bar, long thin, box, welding blade, turning blades, rotating file of rough, spiral blade, bamboo cutter blade, the saw blade cutter rough, porous stretch mode, Blank-cold heading, roll, possession, Central, the ball, special-shaped nozzle and various parts overall carbide tools: Jingmoyuanbang, the overall carbide bit, end mills, the key slot cutter, R cutter, ball - Cutter, Reamer, small aperture boring knife blade cutter, welding-type spiral end mill and Gezhongfeibiao tool of high-density tungsten alloy products: Jingmoyuanbang, oscillator, the Pendulum, with weights, fly Benchmarking, and so on.

公司主要产品硬质合金制品：棒料、长条薄片、方块、焊接刀片、可转位刀片、旋转锉毛坯、螺旋刀片、竹木刀具刀片、锯片铣刀毛坯、微孔拉伸模、冷镦模坯、轧辊、管、环、球、喷嘴及各种异型零件整体硬质合金工具：精磨圆棒、整体硬质合金钻头、立铣刀、键槽铣刀、R铣刀、球头铣刀、铰刀、小孔径镗刀、锯片铣刀、焊接式螺旋立铣刀及各种非标刀具钨基高密度合金制品：精磨圆棒、振子、摆锤、配重块、飞标杆等。

The dynamic equations of beam, plate and lump-mass oscillators are presented according to the basic structural vibration theory.

结合连续系统的振动理论，得到连续梁、板和离散弹簧振子的运动方程，而混合系统的阻尼特性采用非比例阻尼模型。

The driving system of the speaker is constructed by a circular PZT bimorph,which is clamped on its boundary,An elastical coupling element is utilized between the bimorph and the speaker cone.

扬声器的驱动元件是边缘固定的圆形PZT 双型弯曲振子，振动——辐射元件是圆锥形纸盆，这两部分之间采用弹性耦合。

A piezoelectric pump＇s structure with double functions was obtained by making an insulated bimorph into two antrums.

阐述了由一个绝缘压电振子形成两个工作腔体的双作用压电泵结构。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了