生根的基质应当是湿润, 透气良好和消过毒的.The rooting medium should be moist, well aerated, and sterile.生根的针叶束往往不能产生芽而进一步长成一株树.The rooted fascicles usually fail to produce a bud which can grow into a new tree.与几种因素对白芦笋试管苗生根的影响>>相似的文献.Effect...
Forty - five convalescent patients with acute myocardial infarction were studied by dobutamine echocardiography stress test ( EDST ).用超声心动图多巴酚丁胺负荷试验 ( DEST ) 检查了45例急性心肌梗塞恢复期病人.Echocardiography revealed massive right hemo...