建立了平端光纤与锥端微透镜光纤对耦合的理论模型，得到耦合系数的计算公式。
The coupling between butt fiber and cone lensed fiber is described in this paper. A theoretical model is presented and the formula of coupling efficiency is given.
本文主要介绍如何在原有的承插管道芯模上通过技术改造生产平端管道，以及工艺改造带来的经济效益。
The article introduces how to produce flat end pipes on original plug pipe mandrel through technical modification and economic benefits.
在逆止器的轴端孔内通过胀套和双平键与从 动轴连接；
The inner part of a shaft end hole of the backstop is connected with a driven shaft through an expansion bush and a double flat key;
他将树皮的边缘裁刻成一片树叶的形状，一端是尖的，另一端是平的。
He carved the sides of the bark into the shape of a leaf; one end was pointed, the other was flat.
在平截面假定的前提下，将钢筋混凝土L形柱划分为两端弹塑性区、中间为弹性区的三分段杆单元模型。
On the hypothesis of plane cross section, L-shaped reinforced concrete column was divided into three fragment line element of elastoplastic zone at both ends and elastic zone in the middle.
影像检查是主要的诊断手段，经常，我们可以看到一个有特征性近端肠梗阻的平片，如“双泡征”。
Imaging is the mainstay of diagnosis. Often, one will see characteristic plain film findings of proximal bowel obstruction, ie "Double Bubble".
一种钢法兰毛坯加工工艺，尤其是一种平法兰、对焊法兰、预应力管桩端板法兰毛坯加工工艺。
The present invention is the production process of steel flange blank, especially of flat flange, butt welded flange and prestressed pipe pile end plate flange.
公母端内孔平齐的设计使得油气在传送过程中不会发生紊流现象，减小传输阻力。
The design of flush inner holes at male and female ends enables the oil gas not to be subject to turbulence in the transmission process, and reduces the transmission resistance.
通常将内容两端对齐以使内容两侧的边缘平齐。
Content is typically justified to create smooth edges on the sides of the content.
通常将内容两端对齐以使内容两侧的边缘平齐。
Content is typically justified to create smooth edges on the sides of the content.
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