With a straight face, Iran's representative endorsed the ringing declarations about strengthening nuclear safeguards, while also helping block moves that would have made tougher rules mandatory.

伊朗的代表绷着一张脸，支持关于加强核安全保障的强有力宣言，同时也有助于阻止强制制定更加严格的条款的举动。

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The antimicrobial actions of 1 007 representative strains were measured by method of agar block.

采用琼脂块法测定了分离自青海高原不同生态环境下的1 007株代表性放线菌的拮抗性。

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Even at this stage the two functions were divided by a bisecting passage leading from the visible and representative outside facade to the networked block interior.

在开始的阶段，这两个功能是由一个二等分的通道从可见的、代表性的外立面引入内部空间。

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Representative Ron Paul (Republican Texas) has introduced legislation to block these regulations, correctly pointing out that the government should have access to this kind of information only under a search warrant.

FORBES: Fact and Comment

Some politicians, like Representative Ed Markey (D-Mass.), want to block LNG exports altogether, insisting U.S. gas would better serve America if it remains at home to keep prices low.

FORBES: Rich Kinder's Energy Kingdom

They have requested that the United States Trade Representative ask President Barack Obama to revoke the trade preferences Argentina now enjoys, and are lobbying to block its access to World Bank loans.

ECONOMIST: Foreign-investment disputes