晚点计数器清零，这样便会显示时刻正点。

Late counter will become 0, thus showing the train is travelling on time.

这个钟是正点打点报时而不是半小时打点报时。

The clock strikes the hours but not the half hours.

作为本文的主要结果，关于交换环上矩阵的正点定理，零点定理和非负点定理被建立。

As the main results, it gives a Positivstellensatz, a Nullstellensatz and a Nichtnegativstellensatz for matrices over a commutative ring.

进修常识也一样。每该她学会一面旧的东西， 视频聊天室，通盘世界就会变失穷有一正点。

And it's much the same thing with knowledge, for whenever you learn something new, the whole world becomes that much richer.