lower beam的例句大全

After reduce the bar's free vibration differential equation to a lower order, we analogize it to the bending theory of the beam and gives an iterative procedure.

将杆作自由振动的微分方程作降阶处理后，和梁的弯曲理论作类比，给出了一个迭代算法。

From thermal conduction equation, it has been found that the beam propagation parameter through a YAG rod under quasi-CW pumping is 22% lower than that under CW pumping. If other factors are taken into account, the decrease will become 30%.

由热传导方程出发，导出了准连续泵浦时YAG棒的光束传播参量比连续泵浦时低22%（结合其他因素可低30%左右）的结论。

the welding technology of lower pulse yag laser beam welding micro-module with filler wire was given.

给出了利用脉冲YAG激光 做微型结构件的激光填丝焊接的较佳焊接工艺.

Electron beam welding for clad tube of lower tin Zr-4 alloy

国产低锡Zr-4包壳管的电子束焊接