generas中文什么意思

热纳拉

例句与用法

1. There are 101 species of vascular plants in the vegetations , which belong to 77 generas and 31 families
   在湿地植被的区系组成中，共有维管植物101种，隶属于31科77属。
2. The hygrophyte , the hydrophyte and the mesophyte play an important role in the floristic elements . north temperate type ( 29 generas ) is account for dominant position in the floristic geographical elements of genera
   在各类植物区系地理成分中，北温带分布属( 29属)具有明显优势，说明该地区湿地植物区系具有明显的温带特征。
3. During this time both the monthly average algae density and lasting time increased year after year . the main algae forming algae bloom was cyanophyta and the dominant generas were microcystis . the accumulation of nutrients ( such as total nitrogen and total phosphorus ) with high concentration , high temperature of water and strong sunshine caused the algae bloom
   结果表明，水温较高的夏秋季(一般为7 9月)是天津市城市供水水源的藻类高发期；近几年，高藻期含藻量呈逐年增加趋势，持续时间呈逐年延长趋势；高藻期水源水以蓝藻为主，所占藻类总数最高和最低比例分别为91和70 ，其中的优势属为微囊藻属；水源水中高含量的氮、磷等营养盐是藻类高发的内在因素，水温、光照等是外在诱发因素。