为了回答这个问题，要用卫星校准你的全球定位系统，核对坐标，再用铅笔把它们标注在航海图中就可以了。

To find out, align your global positioning system with some satellites, check the co-ordinates and pencil them on to a chart.

youdao

您可以走到每台机器前手工检查核对所有这些问题，但是当机器分散在一个广阔的区域内，这样做会是一个非常费时的过程。

You could go to each machine and manually check all of these issues, but when the machines are dispersed over a wide area, this can be a very time-consuming process.

youdao

这些一开始都只是小问题。然而如果不及时核对，就会变成大麻烦。

All of those are small problems at first. However, they can quickly become big ones if left unchecked.

youdao

So I help check people in the class, answer their membership questions, sell memberships, all of that, and

我负责帮助核对上课人数，回答会员问题，销售会籍等，

上东区的瑜伽老师 - SpeakingMax英语口语达人