In systematic realization, this dissertation has discussed the realization of every subsystem key technology, and solved the heavy difficult point problem.

在系统的实现方面，讨论了各子系统关键技术的实现，解决了系统实现中的重难点问题。

youdao

We are now at the point where the dimensionality and size of the data is a big problem. It makes things computationally very difficult to find these patterns we want to find.

他补充道，“在这里，数据的维数和容量是个大问题，要依靠计算来找到我们想要找寻的模式会变得极为困难。”

youdao

If you're facing a tough and difficult situation, don't let it exhaust you to the point where all your efforts actually prolong the problem and waste your resources.

如果你正面临焦灼的局面，而你花上所有精力来解决问题的方式只是拖延时间的话，这个时候你就该向别人求助或后退几步想清楚，换一种看问题的方式。

youdao

But today's problem of non-point source pollution is more difficult to control.

CNN: Polluted rivers stain Portland's image

But if we keep kicking the can down the road, the problem just keeps getting worse, and then at some point it will be very difficult to deal with because the consequences will be so painful.

CNN: World faces a day of financial reckoning