So, that's especially maybe a counter intuitive thing, but something is moving. And at that time, it's actually stopped. Now, let's see, so that's the vector. And, it's useful.

这或许看上去跟直觉不大一样，某物在移动，但在那时刻，它是静止的，现在看到，这就是那矢量，这很有用。

youdao

So, that's especially maybe a counter intuitive thing, but something is moving. And at that time, it's actually stopped. Now, let's see, so that's the vector. And, it's useful.

这或许看上去跟直觉不大一样，某物在移动，但在那时刻，它是静止的，现在看到，这就是那矢量，这很有用。

youdao