常用扦插.嫁接和压条繁殖, 也可播种.Commonly used cuttage, engraft and layering are progenitive, also can sow.我们可以采用嫁接 、 分株 、 压条等多种方式来提高作物产量.We can graft, divide, or layer to propagate the crops.用压条法培育 ( 植物 )To propagate ( a plant ) by m...
The fractograph exhibited typical ductile dimple fracture pattern.断裂形式呈韧性断裂,断口以韧窝为主.The toughness, fractograph and microstructure of the failed die specimens have been examined and analysed.检测了失效模具材料的微观组织 、 击韧性和断口形貌.The ...
These range from separation of water molecules by osmosis through separation of small particles in microfiltration.能分离水分子,以及在微过滤器中分离小颗粒物质.The combination of activated sludges and microfiltration will open anew way in thi...
Objective : To observe anesthetic effect of disoprofol combined with infraorbital nerve blockade on cheiloschisis repairing operation.目的: 观察异丙酚加眶下神经阻滞作唇裂修补术的临床麻醉效果....