Her hands - on management style has helped her rise through the ranks at the apparel maker over the past two decades , and her compensation during that ascent ahs contributed to her assets 在过去的20年中，这种亲力亲为的管理作风使她在服装界稳步上升，而她在晋升的过程中获得的薪水不断地为她的资产添砖加瓦。
And this happens to describe america ' s economy during the past 20 years , during which time it has reversed its seemingly inevitable long - term decline and delivered a “ productivity miracle ” 这也正是美国在过去的20年中其经济采取的模式，在那段时间美国的经济翻转了其无可避免的长久衰退并实现了一个“生产力之奇迹” 。
This paper introduces a number of key shifts in feminist studies in australia in the last 20 years , and it discusses some of the key contributions which australian theorists have made in international feminist dialogues 摘要本文介绍了澳大利亚女性学研究在过去的20年中发生的一系列重要变化，同时阐述了澳洲的理论家们为全球女性主义所作出的一些重要贡献。
They ealuated the cognitie powers of 6 , 560 people regularly oer the last 20 years , testing their memory , mental speed , reaction time and reading ocabulary - - functions that are normally affected by alzheimer ' s 他们在过去的20年中系统地评估了6560个人的认知力，包括测试他们的记忆力、精神活跃度、反应时间以及阅读能力。阿耳茨海默病的患者的这些功能往往都会受到影响。
The prd region covers a large area and encompasses numerous cities and large extent of rural areas . the region has experienced rapid transformation from agriculture - dominant economy to industrialurban development resulting in dramatic landuse changes in the past two decades 在过去的20年中，该地区经历了快速的发展，从农村经济向工业城市经济发展，从而导致了土地利用的巨大变化。
The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment . during the past two decade , the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants , provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants . three new plant based epochs have been recognized . on the other hand , molecular sequence studies have provided insights into the phylogeny and early branches of land plants . a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences . this paper summarizes recent advances and new knowledges , comments on the phylogenetic studies based on the cladistic analysis 陆生植物的起源和演化是地球生命中的重大事件，它影响到地球上所有的其他生命和全球环境。在过去的20年中，从中奥陶世历经整个志留纪至早泥盆世的岩层中，化石植物微化石和大化石的新发现改变了人们对陆生植物起源的认识，并且为陆生植物和维管植物早期演化分异提供了基部类群分化的时间框架。据此人们识别出地史中的3个陆生植物的时代：始胚植物时代始维管植物时代和真维管植物时代。
