[统计]施加约束

impose restrictions───[统计]施加约束

calorie restriction───能量限制

export restrictions───出口限制

loosen restrictions───放松限制

remove restrictions───删除限制

age restriction───年龄限制

speed restriction───限制速度

enforce restrictions───强制执行限制

introduce restrictions───引入限制

Strengthening cooperation can greatly lighten the restriction that the land dimensions impose on the scaled economy.───加强次区域合作，可大大缓解各方现有国土面积对规模经济的制约作用。

The obtained eigenstructure assignment result does not impose any restriction on the closed loop poles, and deeply reveals the structural property of linear feedback dynamical system.───所得结果没有对闭环极点附加任何限制条件，最广泛地概括了反馈动力学系统的闭环结构性质。

Resentment and suspicion still linger, too, especially among developing countries, at the Bush administration’s initial plan (later abandoned) to impose such a restriction.───尤其是发展中国家，对布什政府最初提出限制该技术的计划（后来已被废除）依然怨气未消，疑虑尚存。