1. One last constraint may be to supply interface signals in a standard form. 最后还有一个限制，就是必须按标准形式供给接口信号。
2. The problem of soft budget constraint still exists in the process of conversion to market economy. 在向市场经济转轨的过程中，国有企业软预算约束问题仍然存在。
3. Of course, we have set priority of implementing solution in different area due to constraint of resourses and cost. 当然，受限于资源与成本，我们也建议出不同区域有不同的方案执行优先次序。
英英解释
n.
1. the state of being physically constrained
2. a device that retards something's motion
3. the act of constraining; the threat or use of force to control the thoughts or behavior of others
