直线的

The principle of extrafocal radiation could be used for the calculation of monitor unit. An equation,, is derived to calculate the equivalent field size of a rectangular field, where k is the geometric weighting factor.

计算监控单位可利用非射源产生之辐射的原理，导出公式并接著加以计算，公式中K值为几何比重因子，Varian 21EX直线加速器为1.49。

Thus, the vast majority of time the u-joint is straight or only slightly flexed.

因此，绝大多数时间的U -联合是直线或稍微弯曲。

Furtherly, this paper presents an approach to the choice of the optimummethods.

其数学实质是，把高维空间的样本投影到一条直线上，通过

The problem of synchrodrive for gantry_moving milling machines is researched,and two linear motorsare are applied as traversing drive mechanism of gantries.

针对龙门移动式镗铣床同步传动问题进行了研究，并用两台直线电机作为龙门柱纵向进图1龙门移动式镗铣床结构示意图给的传动机构。

The noncoincidental problem of synchrodrive for gantry-moving milling machines is studied. Two linear motors are applied as traversing drive mechanism of gantries.

对龙门移动式镗铣床同步传动不一致性问题进行研究，用两台直线电机作为龙门柱纵向进给的传动机构。

Cellulose is a linear polysaccharide of glucose residues connected by β-1,4- glucosidic linkages.

纤维素是葡萄糖藉由beta-1，4 linkage 所链结形成的直线状多糖体。

Leather strap and link chain drives: Leather straps and link chains are used to change the gyratory motions into rectilinear motions or vice versa between countershafts.

皮带和链条机构：皮带和链传动用于传递平行轴之间的回转运动，或把回转运动转换成直线运动。

Two looked that resembles straight line actually miracle's interweaving which forever will not intersect in one.

两根看似永远都不会相交的直线却奇迹般的交织在了一起。

This paper analyzed the air-gap magnet field of U-shaped ironless PMLSM by finite element method,which could lower the difficulty of field analysis,with the help of Ansys and Matlab,and listed several result drawings.

采用有限元法分析U型无铁心永磁同步直线电机的气隙磁场，以降低其分析难度。

This thesis mainly studies the application of the LIM on the metro vehicle.

本论文主要研究它在直线电机地铁车辆上的应用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。