Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/67dedbf031e628c20fbb6a7d3ca94c9e.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 age-grading是什么意思，age-grading的翻译，age-grading音标、读音、用法和例句_甲百汇小鸡词典
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。