伊朗拒绝与国际社会委派的谈判代表欧盟的凯瑟琳·阿什顿讨论其浓缩计划引发了进一步警惕。
Iran caused further alarm by refusing to discuss its enrichment programme with the international community's designated negotiator, the EU's Cathy Ashton.
最紧张的局势出现在伊朗，因为其拒绝国际社会要求其停止铀浓缩活动。
The most critical situation is Iran, which has rejected international demands to stop enriching uranium.
Simon（1947）建议（社会）科学并不是靠堆砌信息而进步的——科学组织信息并浓缩信息。
Simon (1947) counsels that (social) science does not advance by piling up information -- science organizes information and compresses it.
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