查询词典 cylinders

The scattering characteristics of plane acoustic waves by fluid-saturated porous cylinders are studied by using the Biot-Stoll's theory with consideration of loss factors, such as the viscosity of fluid and the nonelastic loss of solid skeleton.

依据Biot-Stoll的流体饱和多孔媒质声传播理论，考虑了流体粘滞和骨架非弹性损耗引起的衰减因素，研究了多孔圆柱体对平面声波的散射特性。

These products are nonflammable and are stored in cylinders as liquefied compressed gases.

这些产品是不可燃的，作为液化压缩气体储存在钢瓶里。

These gases are nonflammable and stored in cylinders as high-pressure gases.

这些气体是不可燃的，作为高压气体储存在钢瓶里。

It means that we can either use integral cylinders or normal liners.

这意味着我们可以使用积分瓶或正常衬板。

In recent years, the studies on internal waves generated by the moving bodies and drag increment caused by the stratification, and of forces and loading of cylinders exerted by the internal waves are paid considerable attention by physical, engineering and military oceanographer.

本文首先进行了分层流体中水平运动物体的阻力研究，建立了均匀分层流体中不同长径比的椭球体在不同的速度条件下运动时的阻力理论，给出渐进的理论曲线。

Allow to stand in the dark for 5 minutes, compare the opalescence produced by viewing down the vertical axis of the cylinders against a black background.

于供试溶液与对照溶液中，分别加入硝酸银试液1.0ml，用水稀释使成50ml，摇匀，在暗处放置5分钟，同置黑色背景上，从比色管上方向下观察、比较，即得。

The contact points must be timed to close and open in proper relation to the piston positions in the cylinders.

东加那利群岛地块是内围层的一个例子已完全确实，它在地形上与相邻的大陆有关。

Three tool balls , cylinders or holes should be set on it and marked with origin of coordinates, coordinates direction, the relative value between origin of coordinates and that of vehicle coordinates.

并需设有三个测量基准球或柱或孔，并标明坐标原点、坐标方向及坐标原点与汽车坐标原点的相对坐标值。

For homogeneous, piezoelectric and pyroelectric hollow cylinders, by introducing a special function and by using orthogonal expansion technique, the equation about a function with respect to time is derived.

在这篇论文中给出了分别由弹性、压电和热释电三种材料组成的均匀正交各向异性空心圆柱的轴对称平面应变弹性动力学解。

Output may also be a function of the number of cylinders a pump possesses.

若水泵具备气缸的话，排泵量也是其一项功能。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。