qì hòu / shì yí / de / dì qū / kě yǐ / tōng guò / fù zhòng / zēng jiā / quán nián / liáng shi / chǎn liàng

气候适宜的地区可以通过复种增加全年粮食产量。

Areas with a suitable climate can increase annual grain production through multiple cropping.