Swamp vegetation represent the early stages of a HYDROSERE or HALOSERE.例如湖区边界、河流漫滩或者是干旱地区具有保水粘土的地段.The chloroplasts in the swamp reed were round - shaped with poorly developed grana.芦苇是一种多年生水生草本植物,其典型生境是淡水或含盐的沼泽、河边或湖边.Th...
In the swamp the army was beset by mosquitoes.在沼泽地,该军受到蚊子的困扰.The fort flanked on a swamp.堡垒侧面靠着沼泽地.This is a crocodile - infested swamp.这是一片鳄鱼聚居的沼泽地....
方法66例晚期癌症患者随机分为化疗+甲孕酮组及单用化疗组.Methods 66 patients with advanced cancer were divided into two groups : chemotherapy alone and chemotheraoy plus MPA.结论 甲孕酮如能正确合理地用于晚期癌症的治疗,可以全面改善化疗期癌症患者的生活质量.Conclusions MPA can improve the ...