The breakup point of solid bed using the results calculated from the penetration model and solid bed strength curves accorded with the actual situation.

研究表明，渗流对固体床强度具有削弱作用，固相破碎发生在固-液界面处。应用渗流模型计算得到的固相破碎点符合实际情况。

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The thick walls prevented penetration by debris from the hurricane.

一堵堵厚墙阻挡了飓风带来的碎片的穿透。

《柯林斯英汉双解大词典》

According to figures from the first half of 2010 and published on Internet World Stats the rate of penetration of the Internet on the entire global population does not exceed 29%.

据《互联网世界统计》发布的2010年上半年的数字，能够渗透互联网的全球人口比率不会超过29%。

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Moy says that the poor results of the NSS test are particularly surprising given that the vulnerabilities the lab tested were publicly described by government sources like CERT and MITRE, and the exploits they used came from the open-source penetration testing framework Metasploit.

FORBES: Study Shows Programs Designed To Catch Hackers' Exploits Miss Nearly Half

The 220 million was an increase of 92 million since the beginning of the year and increased the 3G penetration of the cell phone market from 13% to 20%.

FORBES: China Cell Phone Market and Market Shares

The National Trust said it had suffered from "serious leaks and water penetration" and the castle would have "become inaccessible" if the conservation work was not carried out.

BBC: Castle Drogo opens to visitors during ?11m refurbishment