The main research directions are library law, administrative system and reader's right.

宏观制度主要的研究方向是图书馆法、图书馆管理体制和读者知识权利。

youdao

Orientation of the cerebral cortex function area has been one of the main research directions in cognitive brain areas in the world.

在国内外的脑认知领域中，对大脑皮层的功能区域定位一直都是主要研究方向之一。

youdao

Driver fatigue driving is a major factor that causes frequent traffic accidents frequent. Vehicle, non-contact, real-time driving fatigue testing equipment is the main research directions.

驾驶员疲劳驾驶是导致交通事故频频发生的主要因素之一，车载的、非接触式的、实时的驾驶疲劳检测设备是研究的主流。

youdao