通过施加植物生长调节剂和春化处理,对Ornithogalum‘ChesapeakeSnowflake’植株的生长、花序发育和开花进行了研究。不施加植物生......

城市园林景观是一个不断发展变化的有机体，是特定历史时期社会现实的产物。“感召力”的提出就是要摆脱目前园林景观建设被动地进行......

F.Scott.Fitzgerald was a well known American writer in the 1920s.He worte some works which represented the characteristi......