The Internet works thanks to loose but trusted connections among its many constituent parts, with easy entry and exit for new Internet service providers or new forms of expanding access.

互联网的运作基于其大量组成部分之间松散但互相信任的连接，对新互联网服务提供商或者新型扩展访问方式来说容易的进入和退出机制。

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Depending on the chemical or biological agents in the environment, a half mask may not be sufficient because the eyes are very sensitive to chemicals and offer an easy entry point for bacteria.

因为眼睛对化学品很敏感且很容易成为细菌的入口，所以半面罩可能无法充分防护，这取决于环境中化生毒剂种类和含量。

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Depending on the chemical or biological agents in the environment, a half mask may not be sufficient because the eyes are very sensitive to chemicals and offer an easy entry point for bacteria.

因为眼睛对化学品很敏感且很容易成为细菌的入口，所以半面罩可能无法充分防护，这取决于环境中化生毒剂种类和含量。

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