裂纹

When establishing the finite element model, the stress singular unit on tip of crack is constructed in node-unit way.

在建立有限元模型时对于裂纹尖端的单元，采用节点一单元的方式构造应力奇异单元。

Compared with the displacement method, the unit initial stress method has high precision, simple and efficient characteristics, in particular, it can be more convenient and accurate to calculate the stress intensity factor of three-dimensional crack tip, so it is worth promoting.

单元初始应力法与位移法相比，具有精度高、简捷、高效的特点，可以较为方便且精确地计算三维裂纹尖端的应力强度因子，值得推广。

The color of the products is argent grey metallic shine, smooth, unknit.

产品表面呈银灰色金属光泽、光滑、平整、不得有严重氧化现象，不得有欠烧、过熔、鼓泡、分层、裂纹等缺陷。

The results showed that the cracks induced not only a great increase of MHD pressure drop, but also unsteadiness of MHD effect.

结果表明：绝缘涂层的裂纹不仅使MHD压降大大提高，而且产生MHD效应的不稳定性。

The apple crack disease is an important factor that affected the red Fuji apple fruit surface quality,which influenced apple production and vendition seriously.

苹果果皮裂纹病是近几年影响红富士苹果果实外观品质的重要因子，给苹果生产及销售造成了严重损失。

In order to use the analytical results of three dimensional crack problem of infinite bodies and avoid the volume integral in numerical analysis.

为了充分利用三维裂纹问题的解析结果。以及避免数值分析中出现体积分。

Based on such problems as cracking and breaking of walking beam in running,a type of resistance measuring technology is used to make static and dynamic stress measurement for leading components such as walking beam and rear horsehead,and the results show that the walking beam is subjected to a tensile stress by driving holes.

双驴头抽油机是油田广泛采用的一种节能型抽油机，针对运行中产生的与后驴头连接处的游梁裂纹、断裂问题，利用电阻应变测量技术对该型抽油机游梁、后驴头等主要承载构件进行了现场静、动态应力测试。

My mother wore a black shawl and glared down at a knot of handkerchief clutched in a fist that cracked by washing soda.

我母亲戴着一条黑围巾，低头看手中攥着的手帕结，她的手被洗涤碱弄得都是裂纹。

The mechanical expanded joint method is usually used in rehabilitating furnace pipe and big pipe board of waste heat boiler.

废热锅炉是合成氨装置的重要设备之一，其炉管与大管板焊缝受高温高压及介质腐蚀，运行一年后会产生裂纹，影响装置的正常运行。

After two ears of what it perceived to be bitter failure, it spoke to the water bearer one day by the stream.

它在经历了两年的痛苦后，有一天在河边对挑水人说："我非常惭愧，我身上的裂纹让水一路漏个不停。"

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。