常見例句Based on anatomy the propagative organs of Eichhornia crassipes showfull devslopment in Wuhan and Beijing areas. 武漢和北京地區(qū)栽培的鳳眼蓮的結(jié)實(shí)器官發(fā)育良好,經(jīng)人工授粉可獲得種子。The effect of decontaminating waste water of slaughter industry by planting Eichhornia crassipes was studied. 對(duì)鳳眼蓮凈化北方地區(qū)屠宰廠廢水的效果進(jìn)行了初步研究。Eichhornia crassipes and its root-zone microbes coordinated in pollution purification. 研究了鳳眼蓮凈化污水時(shí),根區(qū)微生物的動(dòng)態(tài)變化。Eichhornia crassipes (Mart.) Solms, an aquatic plant native to the Amazon Plain of South America, has a mating system of three floral morphs (L, M, and S) - tristyly. 原產(chǎn)于亞馬遜河流域的水生植物鳳眼蓮(Eichhornia crassipes)在花部結(jié)構(gòu)上有三種花型(L、M和S),故其配殖系統(tǒng)(mating system)為典型的三型花柱(tristyly)。Variation of time average velocity and Reynolds stress before and after planting eichhornia crassipe in the watercourse is analyzed based on laboratory experiments. 通過室內(nèi)試驗(yàn)。分析了在河道種植鳳眼蓮前后水流時(shí)均流速和雷諾應(yīng)力的變化。Test results show that the eichhornia crassipe has influences on the time average velocity and Reynolds stress, and different cropping patterns have different influences. 試驗(yàn)結(jié)果表明,鳳眼蓮對(duì)各向時(shí)均流速和雷諾應(yīng)力的分布影響明顯,且不同種植方式的影響程度也不同。 返回 Eichhornia