材

Found material data sources; Researched the standard storage format of the material; established a materials database that contains the information of most engineering materials and developed the material query module.

确定了材料数据来源，研究了材料的标准存储格式后，建立了包含大多数工程材料信息的材料数据库，并开发了系统的材料查询模块。

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This paper begins with a brief review of intelligent materials, followed by a description of the characteristics and applications of several basic materials: shape memory alloy ( SMA), piezoelectric material and intelligent polymers, and finally discusses development trends of intelligent materials in the 21st century.

其次重点阐述智能材料的几种基础材料&形状记忆材料、压电材料、智能高分子材料的性能及应用研究进展；最后展望了智能材料在21世纪的发展趋势。

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The TVA did not measure saplings untill the 1970 survey.

直到1970年调查时田纳西流域管理局才测定了小径材.

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The horses hauled the logs to the mill.

那些马把圆木拖到制材厂.

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Weights of entire truckloads are first determined.

先测定整个装材卡车的重量.

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Sapwood contains xylem vessels, but not as strong as heartwood.

边材含有木质导管, 但不如中心木质那样坚硬.

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Manufacture and investigation on compound materials, nano-materials, bionic materials and intelligent materials are important tasks in future research on biomaterials.

对材料进行生物或化学修饰的复合材料、纳米材料、仿生材料及智能材料等的研制与开发将是未来生物材料研究的重要内容。

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Very slow-grown softwoods have excellent workability.

生长非常慢的针叶材有着特别好的加工性能.

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According to their functions, they can be classified into organic electroluminescent, photorefractive, solar cell, conductive, photosensitizer materials and so on.

按照功能可分为有机电致发光材料、光折变材料、太阳能电池材料、导电材料、光敏材料、能量转换材料等。

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PU constructing joint sealant material with superior elongation and tensile strength.

PU填 缝材具有极大的伸长率和抗撕裂强度,是建筑物最理想的伸缩缝材料.

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Its key materials mainly include emitter materials, electron-transporting materials and hole-transporting materials.

其核心材料主要包括发光材料, 电子传输材料和空穴传输材料.

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Fuelwood is becoming too expensive to buy and too scarce to gather.

薪材日益昂贵和稀缺,既买不起又拣不到.

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Then ecomaterials are defined and classified, and the trends are predicted to develop clean air materials, antibacterial materials healthy materials.

本文把环境材料作了定义和分类，并分析了空气净化材料、抗菌材料及健康材料等保健环境材料的研究与发展方向。

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As the iron and steel materials, ceramic materials, semiconductor materials and nano-composite materials and new materials and the deepening of the development of materials is increasing the role of interface.

随着对钢铁材料、陶瓷材料、半导体材料及纳米级新材料和复合材料的不断深入发展，材料界面的作用日趋增加。

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It produces valuable lumber and thrives on sites too dry for most other large trees.

它能生产有价值的方材并能在非常干旱、其它多数大乔木长不了的地方旺盛生长.

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Within these trees flowering is often heaviest on the sun-facing side of the crown.

而在这些材木中,树冠向阳的一面通常是开花最繁茂.

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Plug up any cracks in the penel with plastic wood.

用塑化材把板条上的裂缝填塞起来.

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Main exposure: imprints wood films are facing down, protective film.

宾曝平: 感平树脂版材撑持膜朝下, 爱护膜朝上.

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Firewood scarity offers the most visible and dramatic example of deforestation's effects.

薪材短缺是毁林后果的最明显和最引人注目的实例.

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Cognac is also used to macerate and flavour ingredients and casseroles.

干邑白兰地也用于浸渍食材，给砂锅炖菜提味。

《柯林斯高阶英汉双解学习词典》

Vinyl can be laid in sheet or tile form.

塑料地板分为卷材和块材两种。

《柯林斯高阶英汉双解学习词典》

For the reflective materials, two types were chosen, one of whose was specular materials: Al film, ESR and the other was diffusion ones: Tyvek, Teflon and Millipore.

光反射材料选用的有镜面反射材料和漫反射材料共五种，镜面反射材料：镀铝薄膜和ESR，漫反射材料：tyvek、teflon和millipore。

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John looks awkward for a ball player, but he is a rough diamond.

约翰看起来似乎是个笨拙的球员, 事实上他是个可造之材.

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Sensitive materials for transducers and optical fibre; materials for new energy include noncrystalline siliceous material for solar battery; high density material for hydrogen storage;

新能源材料介绍了非晶硅太阳能电池材料、高密度贮氢材料、高温工程陶瓷材料、超导材料；

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Porous material has long been used as insulator, structural material , catalyst carrier, absorbent etc.

多孔性材料广泛用于阻隔材料 、 结构材料 、 催化剂材料 、 分离与吸附等领域.

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Any material deviations from standard-packing , gasket, bolting, etc.

任何与标准配置不同的材料:密封材料, 沉淀材料, 螺栓材料, 等等.

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Novel results and important progress were introduced to exhibit the great roles of the above methods utilized in simulating lithium ion battery and hydrogen storage materials. The wide use of material simulation and design is prospected for the future material innovation in the field of energy storage.

介绍了应用这些方法在锂离子电池材料和储氢材料等储能材料研究中取得的成果和最新的进展，展望了计算材料学和材料设计学在该领域中的应用前景。

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This paper analyzes the important positions of stealth materials in stealth technology, and introduces the study of application status of chiral material, nano metrical, electro-conduction polymer, polycrystal femur materials in detail.

分析了隐身材料在隐身技术中的重要地位，较详细地介绍了手性材料、纳米材料、导电高聚物材料、多晶铁纤维材料的研究和应用现状。

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Rare-earth elements have received a great deal attention due to wide application in luminescent materials, laser materials, permanent-magnet materials, magnetic refrigeration materials, magnetostrictive materials, hydrogen storage materials, high temperature superconductor and other high technology fields.

稀土元素广泛地应用于发光材料、激光材料、永磁材料、磁致冷材料、磁致伸缩材料、储氢材料、高温超导材料等高技术领域，已经引起了广泛的重视。

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SrTiO_3 powder, as one kind of functional powder, is widely used as electrode material for photolysis of water, oxygen sensitive material, moisture sensitive material, thermo-sensitive material, high-voltage capacitor, and so on.

钛酸锶粉体是一种功能性粉体材料，其用途非常广泛，可用于光催化水解材料、氧敏材料、湿敏材料、热敏材料、高压电容器材料等。

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