英语语法分析

The most important doubt is that neither theory provides the compellent geological explanation.

最大的疑问是二者都未从地质上提出令人信服的解释。

According to legal effect and content, our compellent technical standards should be one of technique regulations.

按照法律效力和内容，我国强制性标准就是技术法规。

Described are the structure and features of the compellent exhausting air purification system (applied) in smoking rooms on EMUs in Japan.

介绍了在日本电动车组吸烟室内采用的强制排风空气净化系统的结构和特点。