Holdfast ( hapteron ) In algae , the cell or organ that attaches the plant to the substrate.固着器:是藻类植物具有的一种起固着作用的细胞或器官.Holdfast ( hapteron ) In algae , the cell or organ attaches the plant to the substrate.是藻类植物具有的一种起固着作用...
Well, so much for the producers. But what of the con-sumers?好吧，关于生产商就讲这么多，那关于消费者呢？She travels con-stantly, moving among her several residences around the world.她经常旅行，穿梭于她在世界各地的多处住所。He was lost in the con-templation of th...
幸而, 目下已有兼备高磁导率和低磁导率损耗的铁和铁合金,可资利用.Fortunately, iron or iron alloys are available which combine high permeability with small hysteresis loss.铁合金是炼钢的重要和不可缺少的原材料之一.Ferrous alloy is one of important and indispensable raw mate...