The testing results about the use of new rail joint was introduced, which include the dynamic flexure stress of upper limb and lower margin of joint bar, shearing stress of horizontally neutral axis.

本文对三种新型钢轨接头现场使用情况的测试结果进行了介绍，主要包括测点处的钢轨接头夹板上、下缘动弯应力、夹板水平中性轴处剪应力。

youdao

Therefore, research on characteristic symbol photoelectric testing technology and its application possess certain subject's margin and comprehensive market outlook.

因此，特征标志光电检测技术的理论研究及应用研究具有一定学科前沿性，同时，也具有重要和广泛的实际应用前景。

youdao

At present, the margin of one mind working group has come into contact with more than 500 MSM, and successfully mobilized more than 300 people took part in this year's AIDS testing.

目前，同心缘工作组已接触到了500多名男男性接触者，并成功动员了300多人参加了今年的艾滋病检测。

youdao

That means he is turning his back on the kinds of large-scale seismic testing used to prospect for elephant fields--a high-margin business dominated by Schlumberger.

FORBES: Oil Gleaners

The company says it will continue to focus on margin-expanding sales like mobile connections, broadband and TV connections, which it began testing in the North American market last year.

FORBES: Best Buy's Mobile Business Drives Up Interest In Stock