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- area of rare occurance 偶生区
- Application of rare earth elements(REEs)in agriculture is a new application area of REEs created by China. 稀土农用是我国独立开创的稀土应用领域,30年来,取得了巨大的经济效益。
- Experimental method: A handful of wool was taken from shoulder area of rare and heritage breeds of sheep grazing on hills in the Lake District and North Wales. 实验方法:一把从北威尔士湖区山上放养的稀有绵羊品种肩上获取的羊毛。
- It is also an important concentration area of rare metal resourc es, where the Jiajika rare metal deposit is the largest pegmatite-type Li-po lymetal deposit in China. 青藏高原东部是中国仅次于新疆阿尔泰的伟晶岩集中产出的地区之一,也是世界上重要的伟晶岩型稀有金属矿产资源产地,其中的甲基卡矿床是中国最大的伟晶岩型锂多金属矿床。
- We outlined the history of optic amplifiers, analysed the advantages and disadvantages of EDFA and FRA, and the application area of rare earth doped tellurite glass amplification fiber. 摘要文章介绍了光纤放大的研究历史,分析了掺铒光纤放大器(EDFA)和光纤拉曼放大器的优势和劣势,指明了稀土掺杂碲酸盐放大光纤的应用领城。
- The functions of rare earth are as follows:stablizing surface area of the alumina washcoat,acting as a promotor,acting as an oxygen storage component,improving poison tolerance of the catal... 其作用在于:提高了载体性能,储氧功能,提高催化剂的抗中毒性,提高催化剂热稳定性,作为助剂,应用在氧传感器中等。
- The first chapter delimits her area of research. 第一章阐明了她的研究领域。
- Parliament has passed an Act forbidding the killing of rare animals. 国会通过了一项法令,禁止捕杀珍稀动物。
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- The area of this carpet is24 square feet. 这地毯的面积是24平方英尺。
- A collector of rare insects will show us some of his latest discoveries. 一位稀有昆虫采集家将给我们看一些他的最新发现。
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- The area of this restaurant is3,400 square feet. 这个餐馆占地面积为3400平方英尺。
- There was also an aviary full of rare birds. 那里面还有装满稀有鸟类的鸟舍。
- The zoo has a lot of rare animals in it. 这个动物园有许多珍奇的动物。
- An area of choppy water, as on an ocean. 碎浪区海洋等有碎浪的区域
- London is the most populous area of Britain. 伦敦是英国人口最稠密的地区。
- The city covers an area of 15 square kilometers. 该城市的面积为十五平方公里。
- Has a marvelous collection of rare books. 拥有一流珍本书籍的收藏
- Houses are pricey in this area of the city. 城里这个地区的住房价格很高。