引入

The complete coupling between the system rigid and flexible degrees of freedom is allowed since the start of the formulation. The Hamilton's principle is utilized in deriving the equations of motion. Both viscous damping and air drag force have been introduced into this model.

该模型考虑了轴承摩擦阻尼和柔性梁结构阻尼以及空气产生的风阻，并采用一致的方法将阻尼和末端质量的影响引入到动力学方程中。

In the car engine, air mixed with petrol is taken into a confined space and compressed

在汽车发动机中，与油混合的空气被引入一个封闭的空间并被压缩。

CAUTION: Do not introduce full pressure, unregulated plant air to the valve.

警告：不要将未调节的所有工厂气源压力引入阀门内。

In the typical setup of Michelson interferometer, turning the tested object a small angle generates an air wedge between the object plane and the reference plane. The wedge produces equal thickness interference fringes.

采用典型的迈克尔逊干涉光路，将物体偏转一微小角度（等效为物面与参考面间形成空气楔）产生等厚干涉，可在物体的表面引入包含物体高度信息的载波干涉条纹。

In order to meet the increasing passenger demand, bus operators in Singapore have tried hard to introduce buses with huge capacities: The introduction of 12m air-con double-decked "Super Bus" of SBS Transit is a remarkable success.

为了应付不断上升的客量需求，新加坡的巴士营运商不惜千方百计，引入载客量更高的巴士；新捷运於早年引进的"Super Bus"十二米双层空调巴士，就是其中一个成功的例子。

In order to make better control for environment, we draw into the system of air-conditioning.

为了更好地对环境进行控制，我们引入了空调系统。

Air-Pressure indirect testing method was brought into effect successfully. While implementing this new testing method, digital filter was used for the first time and good results were obtained.

在实施该测试方法过程中，首次引入可靠的数字滤波环节，取得了良好的测试效果，使该方法提高到了实用化水平。

Then, based on the analysis of parachute design process, an expert system is used for the uncertain parameter decision and airdrop experiment fault diagnosis in the course of parachute design.

通过对降落伞设计过程的分析，首次将专家系统技术引入降落伞设计过程中的不确定参数决策和空投试验后的故障诊断，并在降落伞集成设计系统中得到了运用。

With Airy stress function, a plane elasticity problem can be simplified to solve a biharmonic function equation.

通过引入Airy应力函数，平面问题可以归结为在给定的边界条件下求解一个双调和方程。

Because of error by dispersing albinism differential equation, the response of difference equation is changed relative to differential equation.

由于离散化引入了误差导致白化微分方程和差分方程的响应发生了变化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐