裂隙的

Damage mechanics analysises aeolotropy from joint、 crack within rock, offers new thinking for research of the joint rock, superiority to solving damage and destroy of rock as brittle material.

损伤力学从岩石内部的节理、裂隙着手，分析其各向异性，为节理岩体的研究提供新思路，对于解决岩石这类脆性材料损伤破坏具有明显的优势。

And third, in fractured medium with a tilted axis of symmetry , the elastic parameters and the phase velocities of waves in this medium are gained for analyzing the law of wave propagation.

倾斜裂隙介质，分析了该类介质的弹性参数，模拟了三类波的相速度面，分析了波的传播规律。

Except for the inner factors of geological deficiency such as the strength of rock mass,joint,crevice and bedding plane,the external factors of earthquake blast,and ground water are also very important.

采空区的稳定性问题除了岩体强度、节理、裂隙、层面等地质缺陷自身的因素外，地震、爆破、地下水等外界的因素也不容忽视。

As a schoolboy with a avid interest in birds, David Wingate was present in 1951 when a Bermudan naturalist succeeded in weaseling the first cahow out of its deep nesting crevice.

中学生时代的戴维·温盖特就对鸟类充满狂热的兴趣。1951年，百慕大一位博物学家成功地将第一只圆尾鹱从裂隙鸟巢的深处取出时，他就在现场。

This flux in fracture system drawing by tectonic stress is a pressured pipe flow, and may be described using Bernoulli's equation according to fluid mechanics.

论证了地质流体因其性质和所处地质环境的不同，可划分为多孔介质中的渗流和较宽阔裂隙中的管流两种。

Different secondary layers of fossil brachiopod shells have different preservation and the way by which the shells' primary isotope ratios be influenced by diagenesis: postdepositional alternation of δ〓O、δ〓C has no effect on the low-Mg calcite minerals of the shells, while it alters the whole shell's isotopic compositions by microcrack fillings, even with the well preserved shells.

1成岩后生作用对腕足化石壳体不同结构单元的改造方式及改造程度不同：成岩后生作用对保存较好的腕足化石壳体的改造是以微裂隙充填方式进行，而对低镁方解石本身并没有影响。

With density of cracks/fractures increasing,the delay time of fast and slow shear wave increases.

因此，瞬时主频和快横波的偏振以及延迟时间可以作为裂隙方位和密度的指示。

Article 35 It is prohibited to use any seepage well, sink, fissure or dissolved cavern to discharge or dump waste water containing pathogenic pollutants, sewage containing pathogen and other castoffs.

第三十五条禁止利用渗井、渗坑、裂隙和溶洞排放、倾倒含有毒污染物的废水、含病原体的污水和其他废弃物。

Glacier caves such as these form when seasonal meltwater or geothermal vents cut fissures and channels through an ice sheet.

冰河洞穴像这些形状当季节性的融冰或地热的排气口削减裂隙和通道穿越一个大冰盖。

Displacement across this interface is not required to be continuous as seismic waves propagating through this region.

当介质中存在按照一定方向排列的裂隙时，会在该区域形成接触程度不好的界面。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。