Hall and Brown first define an on - line bibliographic data base as a collection of records.霍尔和布朗首先把联机书目数据库定义为纪录集合.Neat notes especially count for bibliographic information and URLs.对于书目和网址来说,整洁的笔记特别有价值.International Sta...
They differ somewhat from bathymetric charts which are virtually topographic maps of the ocean floor.它们与水深图稍有不同,后者实际上是洋底地形图.In bathymetric survey, the recorded seabed is distorted due to the beam - width of the echo soun...