1·The impact of raindrops on the loose soil tends to transfer fine clay particles into the tiniest soil spaces, sealing them and producing a surface that allows very little water penetration.
降水往往会把细小的粘土颗粒转移到土壤的最微小的空隙中，使这些空隙变得封闭，从而形成了一种几乎不允许任何水分渗透下来的表层土壤。
2·Some security crackers end up using their powers for good, providing penetration testing services or otherwise making efforts on the side of the angels.
一些安全破解者最终会将其能力用到好的方面，比如提供渗透测试服务，或者是其他一些站在天使这边的所为。
3·One of the best security tests to perform before an SOA is moved to production is a penetration test.
要在将SOA转移到生产环境之前执行的最合适安全测试之一是渗透测试。
4·Now, the penetration and impact of social media is such that failing to understand what consumers are saying about a company online has become a business risk.
由于社交媒体拥有庞大影响力和渗透作用，如果不能了解消费者对公司的线上评论，将成为一种商业风险。
5·Password cracking is a term used to describe the penetration of a network, system, or resource with or without the use of tools to unlock a resource that has been secured with a password.
密码破解是用以描述在使用或不使用工具的情况下渗透网络、系统或资源以解锁用密码保护的资源的一个术语。
1·The differences in the penetration mechanism between cuspidal and blunt projectiles are studied.
研究了尖头、钝头弹在侵彻机理上的差异。
2·The model is implemented through a user defined material model in LS-DYNA. The model parameters are calibrated and validated by the data from related concrete penetration tests.
利用LS - DYNA程序的用户自定义材料模型开发并实现了模型算法，并用有关混凝土侵彻试验结果对模型参数进行了标定。
3·To enhance the damage capability of the concrete-piercing shell, the penetration depth must be raised.
为了提高混凝土破障弹的威力，必须提高其侵彻深度。
4·With hemispherical EFP simulation model, the penetration process of EFP that satisfies the simulation ratio are calculated using explicit finite element program LS-DYNA in this paper.
在此基础上以球缺型爆炸成型弹丸为计算模型，应用显式有限元程序LS-DYNA对满足模拟比的爆炸成型弹丸侵彻钢靶的过程进行了数值模拟。
5·The numerical results indicate that, the shaping of the prototype and the simulation EFP accord with the analogue rule, and the depth of penetration on steel target also satisfy simulation ratio.
数值模拟结果表明，模拟弹与原型弹的成型符合相似律，其对钢靶的侵彻深度也满足模拟比。
1·We're behind the competition. They've had similar items out for some time. What can we do to get market penetration for our product?
我们在竞争中处于劣势。他们相似的产品已经上市一段时间了。我们怎样使我们的产品获得市场突破？
2·This paper presents following research result that the penetration ratio (depth to caliber) up to 10 has been achieved by using the precision shaped charge warhead technology.
介绍了采用精密破甲战斗部技术使破甲穿深突破10倍装药口径的研究成果。
1·Nickel rod needs to be lengthen by argon arc welding before the electroslag refinements, large welding parameters are needed to assure the sufficient penetration.
金属镍在电渣精炼前需用氩弧焊焊接接长，为保证焊接接头具有足够熔深，需要大参数进行焊接。
2·The surface tension, arc blow force and electromagnetic force work positive to improve the penetration, and the buoyancy can increase the width in the middle of weld pool.
表面张力、电弧吹力和电磁搅拌力均有利于获得较大的熔深，浮力有利于增加焊缝中间部位的宽度。
3·The trained network can predict fusion penetration in a definite range through GUI, which has good verifying precision.
网络训练后的检验精度较高，通过编制的用户界面实现了一定工艺参数范围内的熔深预测。
4·Welding test of the products has shown that penetration of the lap weld can be controlled in required tolerance for design using the control system.
产品焊接试验表明它可以使搭接焊缝熔深控制在产品设计要求的范围之内。
5·However, it is not obvious in penetration increase for PAW through using of flux compared with TIG welding, but significant improvement in weld shape has been found in PAW.
对于PAW焊，熔深也有增加，但是增加的幅度不如TIG效果明显，但对焊缝成形有很好的改善。
1·Stable arc, less spatter and deep penetration can ensure welding quality well.
电弧稳定，飞溅较少和熔透深，可确保焊接质量良好。
2·The weld can performed free of porosity for full penetration weld when proper surface treatment processing prior to welding is employed.
采用合理的焊前表面处理工艺、全熔透焊接可获得无气孔的焊缝。
3·All welds for nozzles and manways shall be full penetration through the vessel wall.
接管和人孔的焊缝应为穿过容器壁的全熔透。
1·The interaction between T4 phage and host cells was determined by titration calorimetric method, and the early information of T4 phage infection and penetration were got.
滴定微量热测定t 4噬菌体与宿主细胞的相互作用，获得了T4噬菌体感染和侵入早期过程的热力学信息。
2·All butt, grooved t, and corner joints shall be complete joint penetration weld joints.
所有对接、T型槽和弯管接头都要完全侵入连接到焊接接头上。
3·It is significant to find out the stage of gene expression of appressorium for us to understand the process of appressorium formation, development and penetration in the rice blast fungus.
了解稻瘟病菌附着胞阶段基因表达的状况对于弄清附着胞的形成、发育和侵入机制具有重要意义。
1·Objective To develop a new type PI medicinal cup based on traditional medicinal cupping therapy for increasing medicinal penetration and convenient application.
目的：在保留传统药物拔罐特点的基础上，研制新型药物拔罐，以增加药物透入和方便使用。
2·Due to its proximity effect and skin effect, induction heating is only the workpiece near the outer skin penetration depth of a layer of fixed value of the direct heating, internal heating is small;
由于邻近效应和集肤效应的影响，感应加热时只是工件中靠近外表皮透入深度为定值的一层直接发热，内部发热很少；
1·RUP methodology had principles and a structure similar to those of CSC Catalyst, excellent industry penetration, an object-oriented platform, and complementary capabilities for OO-based work.
RUP方法有着与CSC Catalyst相似的原则和结构，出色的工业洞察力，一个面向对象的平台，以及针对基于面向对象工作的补充能力。