英语语法分析

A long term fertilization experiment has been carried out for 20 year on fluvio aguic soil.

本文以在潮土进行的2 0年的长期肥料试验为例进行研究。

The fluvio-lacustrine strata in Zanda basin are divided into 3 groups, 4 sedimentary facies, 7 sedimentary subfacies and 11 lithologic members.

将札达盆地河湖相地层划分为3个组、4个沉积相、7个沉积亚相、11个岩性段。