2) succession series
演替序列
1.
Based on the community investigation and analysis of different abandoned field succession stages from 2, 6, 9, 13, 16, 19 , 25, 30 and 40 years, the results show that the succession series is Artemisia scoparia community→Lespedeza davurica community→Agropyron cristatum community→L.
选择9个弃耕地,对群落内植物种类、盖度、密度和生物量进行调查,分析了黄土丘陵沟壑区弃耕地植被恢复演替与物种多样性变化过程,结果表明:1)在弃耕时间为2,6,9,13,16,19,25,30和40年的群落中,演替序列为:猪毛蒿Artemisiascopari群落→达乌里胡枝子Lespedezadavurica群落→冰草Agropyroncristatum群落→(达乌里胡枝子+铁杆蒿A。
3) substitution in order
有序替代
4) substitional sequence
替代顺序
1.
The essay, based on pointing out the constituting principle of economy targets, is to sum up the characteristic and method of analysing elements, to make out the dependent relationship between all sorts of elements and targets leading to the figurative detailed method of continuously substitional sequences.
通过揭示经济指标的构成规律，总结了因素分析的特点和方法，给出了判断各因素指标之间的依存关系从而连环替代顺序的具体的、形象的方法。
5) order substitution
秩序替代
6) staggered code sequences
交替码序列
补充资料：边际技术替代率
是指在产出量保持不变的条件下，用一种投入要素Y替代另一种投入要素X的技术上的比率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条