Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/4cda9ed4b2b32569b9fa67388e8036f6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 Helianthus tuberosus是什么意思，Helianthus tuberosus的翻译，Helianthus tuberosus音标、读音、用法和例句_骑士汉英词典
The effects of competition with Helianthus turberosus on photosynthesis of Ambrosia trifida were studied under different densities under series replacement experiments. 采用取代试验设计，研究了不同密度比条件下，菊芋对三裂叶豚草光合特性的竞争机理。