Silver-point是什么意思

用法例句

Xishan Ag-Au ore occurrences in Changtu County is near Shanmen electrum in Siping city of Jilin province,and both of Xishan Ag-Au ore occurrences and Shanmen electrum locate in the same structural unit.

辽宁昌图县西山银金矿点的北东与吉林省四平市山门银矿床相邻,区域上处在同一个构造单元内。