严重的问题的英文怎么说

严重的问题的英文：
serious problem

• A serious problem in astronomical spectroscopy is imposed by the absorption of light in the earth's atmosphere
  地球的大气层对光线的吸收，给天文光谱学带来了严重的问题。
• This might raise serious questions over the spatial distribution of the production
  这可能对生产量的空间分布提出严重的问题。
• Such a theory of ethics issues in three crucial problems
  这种伦理学的理论引起了三个严重的问题。
• He knows that regular maintenance checkups can help to prevent many serious problems
  他知道定期作保养检查可以预防许多严重的问题发生。
• Even with these improvements however, the low case scenario will pose serious problems for many countries
  即使有了这些改进，低速方案仍将在许多国家产生若干严重的问题。

• It is a serious article.
  这是一篇发人深省的文章。
• do not deny that is a serious blow.
  我不否认那是严重的一击。
• It is a job requiring serious application.
  这是一项需要非常勤奋的工作。
• A serious misunderstanding fractured their friendship.
  一场严重的误会破坏了他们的友谊。
• You have to be very serious in trial courts.
  在法庭上，你应该态度严肃。

• It was a complex problem.
  这是一个复杂的问题。
• Is the problem that easy?
  问题有那么简单吗?
• This is a prime problem.
  这是一个有关质数的问题。
• These are the resolved problems.
  这些是已经解决的问题。
• The housing problem is bound up with the problem of gale controls.
  住屋问题涉及租金控制问题。