Discovering the inputs and outputs of rivers is a matter of measuring the discharges of every inflowing and outflowing stream and river.
发现河流的输入和输出，就是测量每一条流入和流出的河流的流量。
Discovering the inputs and outputs of rivers is a matter of measuring the discharges of every inflowing and outflowing stream and river.
发现河流的输入和输出，就是测量每一条流入和流出的河流的流量。
应用推荐