constraint
constraint 英 [kənˈstreɪnt] 美 [kənˈstrent]
n. [数] 约束；局促，态度不自然；强制
名词复数:constraints
- A constraint is a limit or restriction. Hopefully your school won't cut the sports or music programs due to budget constraints!
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- n. [数] 约束；局促，态度不自然；强制
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1. The boy felt constraint in her presence.
那男孩在她面前感到局促不安。
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2. In this activity, you add documentation to every element in the model, including every column, every table, every constraint, and every trigger.
在这种情况中，你把文档添加到模型的每一个元素中，包括每个列，每个表，每个约束和每个触发器。
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3. If you must make a change that would be incompatible with a released version, for whatever reason, then there is a back door of temporarily disabling this constraint.
如果您必须做出一个变更 ，使它与发布版本不相兼容，不管是什么原因，那么就会有一个临时后门丧失这个约束的能力。
- constraint (n.) late 14c., constreinte, "distress, oppression," a sense now obsolete, from Old French constreinte "binding, constraint, compulsion" (Modern French contrainte), fem. noun from constreint, past participle of constreindre, from Vulgar Latin *constrinctus, from Latin constrictus, past participle of constringere "to bind together, tie tightly, fetter, shackle, chain," from assimilated form of com "with, together" (see con-) + stringere "to draw tight" (see strain (v.)).
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