"The interest in the S-400 is not occasional; this system has no analogs in the world, " an agency spokesman said.

该机构发言人声称，“对S-400有兴趣不是偶然，世界上还没有类似的系统。”

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The Justice Department said Mr. Liang's position at the FDA gave him access to the agency's password-protected tracking system used to manage drug applications and drug-safety issues.

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He thinks that's one reason people have had so much trouble with the agency's color-coded alert system.

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The U.S. Environmental Protection Agency RadNet system is designed to protect the public by notifying scientists, in near real time, of elevated levels of radiation so they can determine whether protective action is required.

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