backward flow [机] 逆流, 对流, 反流
- A backward flow of water, as from the action of oars.
反流,逆流向后流的水,如由浆的划动引起 - Evident backward erosion had appeared in the coastline of the delta region in recent years owing to decreaseof flow and sediment from the Yellow River.
近年来黄河来水来沙呈递减趋势,现行河流路海岸线淤进减缓,原行河流路海岸线出现了严重的蚀退。 - The material flow industry starts lately in our country, and exists the problems such as backward in basic installation、 equipment, imperfect management system etc.
物流产业在我国起步较晚,存在着专业化物流服务水平较低,物流基础设施、备条件比较落后,物流管理制度不健全等问题。
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