Paperless navigation : electronic charts in hydrography and shipping .
无纸导航∶水文地理学与船运中的电子海图。
The challenges of the chinese hydrography organization facing .
中国海道测绘管理机构所面临的挑战。
Investigation of circulation and hydrography in stratified coastal waters of nova scotia based on observations and numerical model results .
基于观测与数学模型的诺瓦斯科舍沿海分层水体环流及水文研究。
Basing on a lot of data of hydrography and hydrology of changping . This paper assess and forecast the amount and quality of water resource in this area .
