查询词典 cylinders

Scattering characteristics are studied of inhomogeneous cylinders immersed in an absorbing medium illuminated normally by plane waves. Scattering and extinction cross sections are derived, and the efficient algorithm is presented. Scattering matrix is simulated and discussed.

系统地解决了吸收介质中非均匀柱粒子对垂直入射平面波的散射问题，包括散射场、散射截面、消光截面的解析解，提出了快速、有效的计算方法；数值模拟了均匀、非均匀圆柱的散射矩阵，并与已有文献发表结果对比。

Users of acetylene should know and understand the construction of the cylinders and the properties of acetylene.

乙炔使用者应该知道和理解钢瓶的结构和乙炔的性质。

This creates a pressure in the cylinders that is less then the air outside the engine.

这造成一那的汽缸里的压力较不那么在发动机外边的空气。

The drill rigs are a kind of fast drilling equipment which is rotated by an air motor, pushed by one or two air cylinders and the low or middle air pressure DHD hammer could be used.

演练钻机是一种快速钻井设备是由一个旋转的空气马达，推由一个或两个空气气罐及低或中等空气压力dhd锤，可用于。

Because it designs forced cooling inlet cavity between body bottom oil pan mounting face and air cylinder cooling water jacket, the present invention make connecting passage distance short, and is propitious to chilled water circulate, which has the advantage of compact conformation, good cooling effect, no-vapor loc, and is a new type structural horizontal type single-double cylinders diesel engine cooling inlet cavity.

本发明由于将巧妙地将强制冷却进水腔设计在机体下端油底壳安装面与气缸冷却水套之间位置，缩短了连接通道距离，有利于冷却水的循环，其具有结构紧凑，冷却效果好，无汽阻的优点，是一种新型结构的卧式单双缸柴油机冷却进水腔。

Pollution of oxygen cylinders with moistures is hazardous as it causes corrosion which in turn may cause cylinders to burst when pressurized.

氧气瓶受到潮气的污染是危险的，因为它可能使气瓶文化腐蚀，以后当气瓶承压时可能发生破裂。

NF3 is available in seven types of high-pressure containers including cylinders, Y cylinders, and tube trailer s.

可以在七种类型高压容器，包括钢瓶、Y钢瓶和管道拖车中得到NF3。

NF3 is available in seven types of high-pressure containers including cylinders, Y cylinders, AND tube trailers.

可以在七种类型高压容器，包括钢瓶、Y钢瓶和管道拖车中得到NF3。

Nowadays, the management of gas cylinders is poor and backward, so there is low efficiency, high labor intensity, prone to error and other shortcomings. Current management of the gas cylinders is chaos, and the majority of enterprise information systems lack flexibility.

同时，国内的气瓶管理大部分还是沿用人眼识别气瓶标识、人工记录气瓶编号和手工填写记录表格的作业管理方式，存在着工作效率低、劳动强度大、容易出错等缺点。

It is found that the position of vortex shedding is different fro m three-row cylinders. The time-mean pressure coefficient along the surfaces o f the cylinders is not changed with the void friction. But the fluctuating press ure coefficient reduces with the increase of void fraction.

试验结果表明：沿圆柱表面周向的旋涡分离点随着流动向深层发展，并向圆柱的背部移动；圆柱表面沿周向的时均压力系数几乎不随含气率的变化而变化；圆柱表面的脉动压力系数随着含气率的增加而减小。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷