1·Retail Channel is one of the four factors of enterprises' marketing mix, and mid-businessman is the most important chain connection.
分销渠道是企业营销组合四大因素之一，而中间商是分销渠道上最重要的链接。
2·And the strong capability of channel self adjusting in Mid and Down stream reaches of Changjiang River is...
同时剖析和验证了长江中下游河床具有较强的自动调整作用。