これらの2つの表現は同様の意味と使用法を持っています。"time constraint"は通常単一の制約に適用され、"time constraints"は複数の制約または問題を意味します。
Court-imposed time constraints apply to anything the defendent wishes to appeal.
For Infotypes falling under Time Constraints 1, 2 and 3: It is mandatory for a record to exist, and only 1 can exist at any point in time.
There are quite a few time constraints that make it almost impossible for me to complete this project on time.
Time constraints are now excuse for late work, Tina. You should always be on time with your tasks at work.
Are there any time constraints keeping us from enjoying this activity?
Time constraints be damned--we are going to have this festival no matter what!
I didn't even think of all the time constraints that might make it very difficult for us to complete this on time.
I said that there is a time constraint that makes it difficult to complete this task, but my boss didn't care.
One major time constraint is watching TV or searching social media or the internet, and this really isn't a true** constraint on anyone's time**.
A time constraint is something that requires a LOT of extra time but is essential to do or attend.
I didn't even have one time constraint last week, so I completed a lot of crafts for the art fair.
Do you have a time constraint for this weekend's team-building event?