英语语法分析

The main types of phytolith indicated warm climate are fan type and square-rectangle type.

在相对寒冷时期，植硅体组合是以反映寒冷气候成分的棒型较为丰富；

The paper briefly introduces the lithologic features, and accumulation age of the vermicular red earth and mainly elaborate phytolith in it and its paleoclimatic indication.

简述了江西修水网纹红土的岩性特征和形成时代，重点讨论了网纹红土中的植硅石及其古气候信息。

Significant changes in phytolith assemblages occur at the same depth as four major tephra. indicating a sharp decline in trees and shrubs and a surge in grass and Cyperaceae.

植硅体组合在4个主要的火山灰层都发生了明显的变化，表现在树木和灌木的急剧下降及禾草类和莎草科的繁盛。