当然，不受时间约束的绝对自由也有其固有的局限。
Naturally, absolute freedom from the bounds of time has its inherent limitations.
这些视图可以包括有关何时使用该视图的时间约束。
These views can include time constraints for when the view is used.
没有专门用来支持时间约束的规则类型。
但是她说，达成具有法律约束力的协定需要一年时间。
But she said a legally binding agreement could take up to a year.
而这需要时间，况且其约束力也不好保证。
But this could take time, and it is unclear how binding it would be.
旅客不用上班，却必须受时间的约束；
Though on vacation, he is nevertheless subject to the restraint of time.
研究一类带工作时间约束的集装箱专用车辆调度问题的混合禁忌搜索算法。
A container vehicle routing problem with working time constraint load is studied in this paper.
实时编程语言是有时间约束的系统描述语言。
The Real Time Programming language is considered as system description language with temporal constraints.
提出一套形式化地描述时间特性的模型，使之能够描述带时间特性的授权约束。
A formal model is proposed to describe time character of constraint in this paper.
提出了一个具有资源约束问题的时间—资源协调问题的数学模型。
In this paper we propose a new mathematical model with time-resource tradeoff problem.
学习是一种应尽的责任，更深一步说，是受固定的时间和严格的纪律约束而必须做的事。
It is an Ought, even worse, a Must, enforced by regular hours and rigid discipline.
学习是一种应尽的责任，更深一步说，是受固定的时间和严格的纪律约束而必须做的事。
It is an Ought, even worse, a Must, enforced by regular hours and rigid discipline.
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