fix on造句

It's been hard to get a steady fix on what's going on.
要对正在发生的事情保持持续的关注和了解并不容易。

We got a fix on the missile launching site.
我们确定了导弹发射场的位置.

Can you get a fix on our position from your astrogation program?
你能用航天程序确定我们的位置吗 ?