DYNAMIC SPATIAL AND TEMPORAL ANALYSIS OF POPULATION, GRAIN YIELD AND PRECIPITATION IN NORTHERN AREA OF CHINA OVER FORTY YEARS是什么意思_DYNAMIC SPATIAL AND TEMPORAL ANALYSIS OF POPULATION, GRAIN YIELD AND PRECIPITATION IN NORTHERN AREA OF CHINA OVER FORTY YEARS在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句