英语语法分析

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。

The results suggested that the endosperm haustoria played roles in the absorption and transportation of nutrients to endosperm.

结果表明胚乳吸器起营养物质的吸收和转运作用，向胚乳提供养料。

The tracheid and sieve tube elements are all differentiated from the procambia in the center of the haustoria, and the former occurs prior to the latter.

吸器中管胞和筛管都是从吸器中央具有原形成层特性的细胞分化的，管胞的分化先于筛管，或同时进行。