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| Chinese | English |
| 不确定法律概念 | indefinite legal concept A condition or extent of time in a government enforced contract, instrument or agreement that lacks precision, distinguishing characteristics or fixed boundaries (政府强制执行缺乏精确度、可区别特征或固定边界的契约、手段或协定的一种状态或时间范围。) |
| 严格定义的概念 | well-defined notion |
| 概念安全评价 | concept safety evaluation |