航海图
5.The Configuration and Usage of the New Web-based Online Catalogue of Admiralty Charts and Publications
7.It is looking into the development of electronic navigational charts and is making good progress.
8.There was almost no precedent to follow, no chart by which to steer.
9.The captain charted this area out and it's quite safe to sail in it.

10.Along with the official Electronic Navigation Chart (ENC) gradually getting mature, emergency of standard ECDIS and authorization of ECDIS by IMO, ECDIS will definitely replace traditional paper chart using hundreds of years.

