联 合国儿童基金会负责儿童保护的高级区域顾问让克劳德.勒格朗说，该组织已经记录了约15件儿童失踪案。
UNICEF Senior Regional Adviser for Child Protection, Jean-Claude Legrand, says the group has documented about 15 disappearances.
拉格朗日拟序结构理论是10年前被乔治·霍勒（GeorgeHaller）揭开，他当时在罗德岛上的布朗大学任教。
The theory of Lagrangian coherent structures was started about ten years ago by George Haller, who was then at Brown University, in Rhode Island.
拉格朗日拟序结构理论是10年前被乔治·霍勒（GeorgeHaller）揭开，他当时在罗德岛上的布朗大学任教。
The theory of Lagrangian coherent structures was started about ten years ago by George Haller, who was then at Brown University, in Rhode Island.
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