欧美官员说，伊朗同意将一大批已知核燃料转到其他国家进行浓缩。

Iran agreed to transfer the bulk of its known nuclear fuel to other countries to enrich it, Western officials said.

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欧美国家的消费者安全保护部门官员说，这场危机显示，需要在生产的各个环节加强公共安全标准。

U. S. and European consumer-safety officials said the crisis highlights the need for better enforcement of public-safety standards at all stages of manufacturing.

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