The chalazal megaspore of a linear tetrad develops into a polygonum type sac.四分体线行排列,合点端的大孢子发育为蓼型胚囊.The heart sounds are muffled when the pericardial sac is distended with fluid.当心包充满液体时心音减弱.With embryo sac haustoriumcha...
Amniocentesis is the removal of fluid from the amniotic sac.羊膜穿刺术是从羊膜囊抽取羊水的技术.The heart sounds are muffled when the pericardial sac is distended with fluid.当心包充满液体时心音减弱.Starch grains present in the embryo sac and placent...
The purpose of this article was to explore academic origin of communication ascription of Public Relations.梳理出公共关系理论的由来和发展,以便于建立公共关系的传播学科知识体系.Israel and Palestine have not yet been in accord on the problem of Jerusalem&#...
This massive overbuild is being colossal scale of industrialisation.大规模的工业化正在造成这种过度累积.Untrammelled industrialisation, particularly in poor countries, is contaminating rivers and aquifers.不节制的工业化, 尤其是在穷国, 正在污染河流和地下含水层们.Te...