英语语法分析

This is the first report on aster yellows phytoplasma affecting peach tree in …

在国内首次报道了翠菊黄化组中的植原体侵染桃树。

There are different number, size and function of the plasmids in various phytoplasma strains.

不同植原体中质粒的数量、大小和功能等也存在一定差异。

Phytoplasma is similar to mycoplasma and spiroplasma in size, structure and genetic evolution.

在菌体大小、结构以及遗传进化上与菌原体、螺原体十分相似。