There is nothing forbidding it, but first there should be a feasibility study.

没有什么不可逾越的障碍，但是首先，我们必须先做可行性研究。

youdao

To generate and realize 4D guidance in the terminal area, first there should be ground track , then the altitude profile and appropriate speed profile along the track.

末端区域4D导引应首先生成轨迹，然后生成沿该轨迹飞行的高度剖面、合理的速度剖面，最后生成自动引导飞机在规定时间着陆的4D导引指令。

youdao

First off, we should recognize that there continue to be misunderstandings.

首先，我们应该认识到，仍然存在误解。

youdao

An advisory committee of the Centers for Disease Control and Prevention said there are five groups that should be vaccinated first.

VOA: special.2009.08.18

We expect the three regular channels to be mostly stretch-o-vision at first, but there should be plenty of new HD content when they start to launch their original programming.

ENGADGET: DirecTV launches another 11 new HD channels HD

First, there should not be a rush to elections.

CENTERFORSECURITYPOLICY: How to make Egypt safe for democracy

They should be prioritised on social housing waiting lists and government first-time buyer schemes, and there should be increased funding to adapt homes for wounded personnel and to stop so many ending up sleeping rough, said Grant Shapps.

BBC: Wounded soldiers' 'jobs at risk'