Distribution, spread and causes of outbreaks of Chilo suppressalis and Tryporyza incertulas in Taoyuan County;
桃源三化螟和二化螟生态分布及其演替原因探讨
The ecosystem development on the tailings wastelands is a primary succession,which provides a good opportunity for understanding the changes of soil microbial communities during the primary ecosystem succession.
尾矿废弃地是一种人为的裸地,其自然生态恢复过程表现为典型的生态系统原生演替过程。
The primary succession has taken place at the debris flow fan in the Huangbenliu Gully on the east slope of Gongga Mountain.
泥石流迹地形成植被原生演替系列。
The Dynamic Study on the Plant Community of Wulingshan Natural Reserve between Middle and Lower Mountain Ectone during Its Embryoism Stage of Cutting Succession;
雾灵山自然保护区中低山森林交错带采伐演替初期阶段植物群落动态研究
The Successional Mode in Initial Stage of Natural Vwgetation Community Restoration in Abandoned Quarry Site of Sibao-shan;
四宝山废弃采石场山体自然恢复初期群落演替规律研究
On the Habitats Transition & Succession Traits of Phytoplankton Assemblages in the Backwater Area of Xiaojiang River during Preliminary Operation Stage of the Three Gorges Reservoir
三峡水库运行初期小江回水区藻类生境变化与群落演替特征研究
Soil Nutrients Characteristics in Shrub Appearance Stage of Vegetation Secondary Succession in the Hilly-gullied Loess Region
黄土丘陵区植被次生演替灌木初期的土壤养分特征
Preliminary Studies on Insect Community Succession in Wheat Fields in the South of Shanxi
晋南麦田昆虫群落演替规律初步研究
PRELIMINARY RESEARCH OF VEGETATIONAL SUCCESSION ON THE SONG-NEN PLAIN SINCE LATE PLEISTOCENE
松嫩平原晚更新世以来古植被演替的初步研究
Thestudy on the Seccusinasl Tendeny of the Secondary Forestry in LinNan;
岭南林场次生林林分演替趋势的初步研究
Preliminary study on community characteristics of Isotes orientalis at different succession stages
不同演替阶段东方水韭群落特征初步研究
The Evolution of the Chu Dialect and the Dialectal Region of Hubei Province in History;
楚语的演替与湖北历史时期的方言区域
the turn of the year/century ;the time when a new year/century starts
年度[世纪]的新旧交替时期;一年之始;世纪之初.
But the hot dog was replaced by the hamburger by the early 1950s.
但热狗在五十年代初期就被汉堡代替了。
Preliminary Study on Methods Selection in Treatment of Class Ⅲ Malocclusion in Mixed Dentition
替牙期安氏Ⅲ类错?治疗方法选择的初步研究
A Pilot Study on the Type and Succession of Vegetation on the South Edge of Maowusu Sandy Land
毛乌素沙地南缘植被类型及其演替规律初步研究
Study on the Resource Competitions and Succession Laws among the Algae in Eutrophication Water;
水体富营养化藻类资源竞争与种群演替规律的初探
Biomass and Net Primary Productivity in Different Successional Stages of Karst Vegetation in Maolan, Guizhou Province, SW China
贵州茂兰喀斯特植被不同演替阶段的生物量与净初级生产力
Study on plant species diversity and community succession of artificial wetlands of SUYA laker
宿鸭湖人工湿地植物物种多样性和群落演替初探
I've made a first draft of my speech for Monday's meeting.
我写好了星期一开会演讲的初稿。
On Evolution of American Policy Toward Japan in the Early Twentieth Century
论20世纪初期美国对日政策的演变
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