hydrilla的例句大全

A submersed Old World Plant ( Hydrilla verticillata ) having whorled , lance-shaped leaves and unisexual, solitary, axillary flowers.

软水草一种生在水中的东半球植物 ( 黑藻黑藻属 ),叶片呈螺纹形、矛 状, 雌雄异株, 花为单生 、 腋生.

The transform and interrelationship of different form P among water, sediment and Hydrilla verticillata were studied in the imitated shallow-lake environment condition by cultivation Hydrilla verticillata in indoor and greenhouse, the transform mechanism and influence factor of different form P was also probe into.

本文在室内和温室内模拟浅水湖泊环境培养黑藻，通过研究水-沉积物-黑藻中不同形态磷的转化及其相互关系，揭示不同形态磷在水-沉积物-沉水植物体系中的转化机理和影响因子。