And the Centers for Disease Control reported this April that this strain of bacteria has now been found in a worker at a day care center in Iowa.

疾病控制中心则称在四月份这种细菌已经在爱荷华州的康复中心的一名工作者身上被发现。

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AIM, which was the medical testing center for virtually the entire industry, closed in May under the financial strain of lawsuits after the Derrick Burts scare.

AIM实际上是整个行业的医疗检测中心，在Derrick Burts事件后，由于面临诉讼而资金紧张，已于5月关闭。

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It is a simple, effective and ideal method to stick strain gages on the center of the sample to gain the dynamic tensile strength for brittle materials.

利用圆盘中心粘贴的应变片来测大理岩等脆性材料的动态拉伸强度，是一种简便高效的试验方法。

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Even the National Hurricane Center showed strain from heavy usage.

CNN: Hurricane Floyd wallops Web

Ms. MICHELE FLOURNOY (President, Center for a New American Security): That strain is going to produce even greater recruiting difficulties and some substantial retention problems.

NPR: Talking Points for the Petraeus Report

The official with Russia's Anti-Extremism Center said Tsarnaev was filmed attending a mosque in Makhachkala whose worshippers adhere to a more radical strain of Islam.

NPR: Russia Had Elder Boston Suspect Under Surveillance