It is a research subject ancient and young to omit.

省略是一个既古老而又年轻的研究课题。

So personalized search engine has become an important research subject.

因此，个性化搜索引擎成为当前的一个重要研究课题。

I've found an article in this periodical relevant to your research subject.

我在这本期刊上找到了一篇与你的研究课题有关的论文。

How to determine reasonable subsea tunnel rock cover thickness is still an intractable research subject.

合理确定隧道顶板厚度是一项重要的研究课题.

Canonical Correlation Analysis ( CCA ) is a important research subject of multivariate statistical analysis.

典型相关分析是多元统计分析的一个重要研究课题.

The stability analysis of rock engineering is the core of research subject in rock mechanics.

岩体工程稳定性分析历来是岩体力学的重要应用研究课题.

Chinese text automatic proofreading is an important research subject in NLP.

摘要中文文本自动校对是自然语言处理领域具有挑战性的研究课题.

Environment accounting is a new research subject which bases on the present environmental problems.

环境会计正是基于当前环境问题展开的一个新的研究课题。

Automatic alignment of parallel corpora is an important research subject in natural language processing area.

双语语料自动对齐是自然语言处理的一个重要研究课题.

My research subject is how to combine drawing mode with material characteristics better.

如何把一种绘画方式和材料特性更好的结合在一起,是我的研究课题.