over the past few decades 中文意思是什麼
over the past few decades
解釋
近幾十年來-
Water usage, like our usage of mineral resources, shows a marked increase over the past few decades.
水的用量，象礦產資源一樣，比過去幾十年有顯著的增長。 -
Asia has been home to many economic miracles over the past few decades
過去數十年間，亞洲發生了很多經濟奇跡。 -
This paper briefly reviews the history and progress of trace metal marine ecotoxicology over the past few decades. three main areas of metal ecotoxicology are transport in the environment, accumulation and toxicity, as well as the risk assessment. we have seen tremendous progresses in these areas as a result of interdisciplinary efforts by biologists, chemists, engineers, governmental regulators and managers. i then discuss the future perspectives of metal ecotoxicology. it is expected that this field will receive increasing attention in china. certainly i hope that xiamen can become a center for metal ecotoxicology and biogeochemistry research
簡要回顧了痕量金屬的海洋生態毒理學研究的歷史及過去幾十年中所獲得的進展.金屬生態毒理學研究主要包括以下3個方向:環境中的轉移，毒性積累及危險評估.在來自於多種學科的專家，包括生物學家，化學學家，工程師和政府監督管理人員等的共同努力下，這3個方向的研究都獲得了長足的發展.同時對金屬生態毒理學的未來進行了展望.可以預見的是，這門學科將在中國受到越來越多的關注.我更希望看到廈門能夠成為未來金屬海洋毒理學發展的中心 -
Fairing curves and surfaces is a current research hot - point in cad / cam field. many scientific researchers of out - and - indoor have made huge efforts to deal with fairing curves and surfaces over the past few decades
因此曲線曲面的光順處理成為cad cam中非常重要的一個問題，國內外許多學者對曲線曲面的光順問題進行了大量研究。 -
Vesicoureteric reflux ( vur ), a major cause of recurrent urinary tract infections causing renal damage in children, often requires antireflux surgery by reimplantation of the refluxing ureter. this constitutes one of the commonest paediatric urological operation performed in north america over the past few decades
例如引起兒童患者反復尿路感染，甚至導致腎臟功能損傷的主要疾病：膀胱輸尿管反流病（ vur ） ，很多都需要進行抗反流的輸尿管再植手術，這亦是過去數十年北美地區最普遍的小兒泌尿外科手術之一。 -
Over the past few decades, more and more americans have started suffering from seasonal allergies and asthma
在過去的幾十年中，越來越多的美國人開始患上季節性過敏癥和哮喘。 -
The american stock markets have 22 ) expanded greatly over the past few 23 ) decades, and they 24 ) boomed in the 1990s with 25 ) technology stocks
這幾十年來美國股市大幅擴張，並且在一九九年代因為科技類股而狂飆一時。 -
Over the past few decades, land use changes there have brought forth a series of severe ecological and environmental problems, which directly threaten the sustainable development of local society and economy and also the ecological security of nearby areas
我國西南地區是全球喀斯特集中分佈的三大片區之一? ?東亞片區的中心，近幾十年的土地利用變化衍生出一系列生態環境問題，直接威脅到區域社會經濟的持續發展和相鄰地區的生態安全。
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