rough estimate

基本解释

But, remember, this is a very rough estimate.
但，记住，这只是一些粗糙的计算估计。
This is a rough estimate, but it serves as a baseline that must be added to any desired threshold for testing.
这是一个大致的估计，但它必须作为基线添加到任何想要的测试限制中。
Severity ratings can be used to allocate the most resources to fix the most serious problems and can also provide a rough estimate of the need for additional usability efforts.
对可用性问题进行严重性评估，可以把大多数资源分配到最严重的可用性问题上去，并且可以对这些问题是否需要额外的可用性努力进行粗略的估计。

But, remember, this is a very rough estimate.
但，记住，这只是一些粗糙的计算估计。
麻省理工公开课 - 固态化学导论课程节选

Now, mind you, this is all a rough estimate and this statistic is very, very noisy.
FORBES: Analyzing The Weekly Petroleum Status Report
At that size, a very rough estimate tells us Kong could weigh as much as 60 tons.
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That's the rough estimate of what I think people have been using both here and at the Pentagon.
WHITEHOUSE: Press Briefing