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...
A changing world has put pressures on the company.日新月异的世界使这家公司感到了压力。I really don't see any reason for changing it.我真的不明白为什么要改变它。Changing stresses bring about more cracking and rock deformation.不断变化的应力导致更多的断裂和岩石变形。...