become a big problem的意思|示意

Due to the weakness of FECG and the effect of various noises, catching the FECG has become a big problem for signal process the academic circle.

由于胎儿心电信号本身非常微弱，加上各种噪声和干扰的影响，提取FECG成了信号处理学界的一大难题。

It has become a big problem recently.

最近它已经成为一个严重问题。

They never knew that population would become a big problem.

他们从来都不知道人口问题将会成为一个大问题。

In small doses, this is not a big problem, but if complaining has become a huge part of our identities, it may be time to take a good look at how we are spending our energy.

如果小小地来那么一两次，还不是什么大问题，可是如果我们经常抱怨，也许就要花时间好好看看自己是怎样分配精力的。

How to find the requisite information quickly and accurately has become a big problem for the users.

如何快速、准确的从浩瀚的信息资源中找到自己所需要的信息已经成为困扰用户的一大难题。

Worrying about that big test is normal, as is worrying about that possible job promotion, but when you begin to worry excessively, it can become a real problem.

担心重要的考试很正常，担心可能的工作升迁也是一样。但当你开始过分担心时，担心本身可能成为问题。