Percent Coverage
收藏data.gov2025-04-26 收录
官方服务：
资源简介：
The Percent Coverage is a spreadsheet that keeps track of and compares the number of vessels that have departed with and without observers to the numbers of vessels...
覆盖率百分比（Percent Coverage）是一款电子表格数据集，用于跟踪并将搭载随船观察员与未搭载随船观察员的离港船舶数量与对应船舶数量进行对比……
