dry river valley area

基本解釋

The Haidai region, which lies in the lower Yellow and Huai River Valley, was mainly a millet planting dry farming area in the early Neolithic period.
地處黃淮下游的海岱地區(qū)，新石器時(shí)代偏早時(shí)期是以種植粟類作物為主的旱作農(nóng)業(yè)區(qū)。
The representative area of dry and hot valley of Jinsha River in Yunnan Province has a temperature condition of the northern tropical zone and a long dry season of more than half a year.
云南金沙江干熱河谷典型區(qū)具有北熱帶溫度條件和長(zhǎng)達(dá)半年以上的干季時(shí)間，生態(tài)系統(tǒng)具有破壞容易恢復(fù)難的特點(diǎn)。