After his systematically introduction to the bronze vessel hoards discovered in the Xiang river valley, the author discusses the dates as well as other related issues of the hoards.
The paper presents the scope and framework of traffic safety in the Yangtze River, which derived from the connotation and extension of vessel traffic safety.
本文首先从通航安全的内涵外延阐述了长江通航安全的研究范畴和体系结构。
3
My vessel is in seaworthiness when navigating in Yangtze River.