The primary chalazal haustorium ramifies around the vascular tissues of the ovule.初生合点吸器沿着胚珠的维管组织分支.Early necrosis or post haustorium formation necrosis of haustoria might take place.吸器可以在发育早期受抑坏死,也可迟滞至吸器体形成之后坏死.With emb...
With embryo sac haustorium in chalazal end, the embryo sac is Endymion type.胚囊发育类型为英地百合型,合点端形成胚囊吸器.Both hypha and haustorial mother cell were dikaryotic, while the typical mature haustorium was mono - karyotic.胞间菌丝和吸器母细胞...
Design of a microwave rectangular waveguide diplexer for LMDS is presented.本文设计了一种可用于LMDS中 的采用加方形脊T形 结的微波矩形波导双工器.Finally, we use the optimization software to optimize a diplexer, and show the optimization effect.最后, 用设计实...
The membrane of a bat's wing is interdigital.蝙蝠翅膀的膜是长在趾间的.The P matrix of IDT whose electric ports both serial is difficultly analysis interdigital transducer ( IDT ).通过巧妙的矩阵变换,避开了复杂的公式推导,成功解决了电学端口串联 叉指换能器 中级联的P矩阵合成...