广义模糊选择操作中允许用户自定义广义模糊比较运算以及指定阈限，从而增强了模糊查询的表达能力和灵活性。
In the generalized fuzzy selection operation, a user may define generalized fuzzy comparators and provide thresholds, hence the expressive power and flexibility of fuzzy queries are enhanced.
人们对这一社会现实的社会心理承受能力是受多方面因素影响的，研究社会心理承受力的阈限，并提出建设性意见，有助于保持社会稳定，推进改革顺利进行。
Studying the range of psychological endurance power as well as putting forward constructive suggestion will contribute to keep the stability of society and promote conduction of reform successfully.
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