stream networks

• 水系

stream networks的用法和样例：

例句

1. Stream Sediment refers to particles that are transported or deposited in stream channels.
   水系沉积物指河道中被运输或沉淀的颗粒物。
2. For example, the networks are arranged in dense, branching patterns, and the lengths and widths of the valleys increase from their sources to their mouths.
   例如，这些网络呈现密集的分枝状水系，河谷的长度与宽度也由上游向下游逐渐增加。