常見例句雙語例句Soil, which is the vital important environment factor during plant succession, is the key index of function recovery and maintain of the eco-system.土壤是植物群落演替過程中重要的環(huán)境因子,是生態(tài)系統(tǒng)功能恢復(fù)與維持的關(guān)鍵指標(biāo)。As a matter of fact, several years ago I made some ecological studies on such open-cast-mining areas, especially on the question of animal and plant succession.事實(shí)上,幾年前我做過這種露天采礦區(qū)的生態(tài)研究,尤其是對(duì)動(dòng)物和植物輪栽問題的研究。In the study area, there are 95 types of plant population, which indicate the special environment, and the plant succession resulted from the climate change and human activities in the region.研究區(qū)域包括95種植物群落類型,不同的群落類型與環(huán)境的變化相適應(yīng),尤其是氣候條件的改變和人類活動(dòng)的影響導(dǎo)致區(qū)域植物群落的演替。權(quán)威例句Minnesota is subject to back-to-back Regional Haze regulations, whereby EPA is claiming authority to regulate regional haze twice in succession at its Sherburne County generating plant.FORBES: EPA's Secret And Costly 'Sue And Settle' Collusion With Environmental Organizations 返回 plant succession