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Forrestal application of cavity expansion theory to the model of penetration depth of the aerial bomb trilling into soil, and then, based on the penetrating depth , calculates the size of the crater created by the bomb explosion.

Forrestal将空穴理论用于对土壤的侵彻模型，计算了航空炸弹对土壤的侵彻深度。

Main structure parameters are designed using orthogonal graph research how parameters affect the penetration depth of linear shaped charge.

为研究线性切割器结构参数对侵彻深度的影响，利用正交表设计了主要结构参数。

The study shows that volcanic magma origin has relatively no change, and comesfrom mantle source areas, which have similar geochemical characteristic, the volcanicrock erupted during the depositional period of Dongying division 2 contrasts withother period, so the relative hasty mantle diapir penetration in this period is relatedwith intensive basin extending and chasmic stage.

研究认为，本区火山岩浆来源于相对较为固定，较为类似地球化学特点的地幔源区，东营组二段沉积时期所喷发的火山岩与其他时期的火山岩成分形成对比，推断该时期盆地强烈伸展裂陷与相对快速的地幔底辟上隆相联系。

The difference in the absorption coefficient for normal human stomach mucosa/submucosa tissues between 1064 and 532 nm is 53.8%,and the difference in the reduced scattering coefficient for tissue samples between 1064 and 532 nm is 52.2%,and the difference in the optical penetration depth for tissue samples between 1064 and 532 nm is 113%,and the difference in the diffusion constant for tissue samples between 1064 and 532 nm is 110%.

正常人胃黏膜/黏膜下层组织对1064 nm的激光的吸收系数与其对532 nm的激光的吸收系数的差异为53.8%，其对1064 nm的激光的约化散射系数与其对532 nm的激光的约化散射系数的差异为52.2%，其对1064 nm的激光的光学穿透深度与其对532 nm的激光的光学穿透深度的差异为113%，其对1064 nm的激光的漫射系数与其对532 nm的激光的漫射系数的差异为110%。

Based on the experimental results and dimensional analysis ,the empirical equations for horizontal and vertical Penetration depths are obtained respectively .

在实验基础上，通过量纲分析，分别得出了气体无量纲水平和垂直穿透深度的经验表达式。

All penetration is now percentage based and stacks with diminishing returns up to 50%.

所有穿透现在都是百分比穿透，并且收益会逐渐衰减，封顶值为50%。

To study the different permeability characteristics of rock, transient permeability tests of limestone and diorite were carried out. The permeability evolution and the relation between pore pressure and time of rock specimens during the complete stress-strain course were investigated. The strain-permeability equations of rock specimens during the deformation and failure course were set up. Finally, the penetration mechanism of two types of rocks was analyzed.

为研究岩石不同渗透特性，对石灰岩和闪长岩进行了瞬态渗透实验，研究了岩样全应力－应变过程中的渗透率演化规律以及孔隙压差与时间的关系，并建立了岩样变形破坏过程的应变－渗透率方程，最后分析了这两种不同类型岩石渗透机理。

Low quality fiberglass will discolor, thus reducing penetration of light.

会变色纤维质量低，因而减少渗透光。

With this system, the flexibitity and stability are improved. The calculation about the penetration and distinguishability are presented. The theory analysis is also given in the paper.

对棱镜色散进行了分析，并计算了透射率、分辨率，确定了温度计算式，理论分析表明，采用棱镜分光方案可行，仪器可实现波长的选择，灵活性得以增强，稳定性也得到改善。

The dung beetle is selected as bionic prototype in this paper to design the working layer of an impregnated diamond bit,which makes the bottom surface always keep the same non-smooth shape and makes the bionic bit maintain a high penetration rate and long-life...

以蜣螂为仿生原形，设计孕镶金刚石钻头的工作层，使工作层底唇面始终具有相同的非光滑形态，始终保持高钻速和长寿命，突显出仿生金刚石钻头的高效率、耐磨和减阻特点。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。