Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/03cfe79f583ff8455bab168ba2789169.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 age-grading例句_age-grading英汉例句_age-grading双解例句_淳朴汉英词典
The dry matter storage and water soluble sugar content in P. communis rhizomes increased in quadratic with increasing age class. 随着龄级的增加，芦苇种群根茎的干物质贮量和水溶糖含量均呈二次曲线变化。