The results show that BP artificial neural network can be used in predicting mechanical properties and grain size of materials after superplastic forming and its predicting error is less than 7%.
结果表明，BP神经网络用于材料超塑性变形后的力学性能及晶粒尺寸预测是可行的，其预测误差小于7%。
The size of the spheres can be tailored to scatter particular wavelengths of light-a useful property for security applications in which it is important that materials can be identified precisely.
聚苯乙烯球的大小可以被改变以适合散射特定波长的光，一种非常重要的可用于安全领域的特性，它能使材料被准确地识别。
Chopsticks, which are roughly uniform in size throughout China, can be made of a variety of materials, including bamboo, wood, lacquer, jade, ivory, plastic, aluminum, silver and gold.
全国各地的筷子大小基本一样，而所用的材料的种类则各有不同，所选材料有竹子、木材、漆器、玉石、象牙、塑料、铝、银、金等。
The new regulations announced yesterday will limit the size of the suits and restrict the materials from which they are made to "textiles". There are numerous difficulties with the decision.
于昨日宣布的新规定限制了泳衣的尺寸，并且限制了做成“纺织品”的材质，但这一决定却遭遇到重重困难。
Prices of the bags will typicallyrange from $149 to $249, he said, depending on the materials and size of thebag.
这些包的价格一般从149美元到249美元不等，取决于包的材料和大小。
Given a few guidelines on size and materials, they decided what to create (a board game about climate change), wrote a deck of question CARDS, and came up with a name, logo, and marketing strategy.
只在给予部分资料如规格和材质的情况下，由参与者决定要创造的产品(一个有关气候改变的棋类游戏)，并且，每个人都要将问题写在卡片上，为产品起名，定商标及市场策略。
Store more materials in the drought-prone areas to strengthen reserves of emergency supplies, planning the sorting, size and location in a scientific way to standardize management and use.
在易旱地区加强抗旱应急物资储备，科学规划储备的种类、规模和存放地点，规范管理和使用。
The lab is mixing particles, just 20 to 30 nanometers in size, of rare-earth magnetic materials with a non-rare-earth complement (tin cobalt).
他们的实验室正在尝试将只有20到30纳米大小的稀土磁性颗粒和非稀土填充物（锡钴）混合在一起。
Their instructions were simple - create individual works of art without limitations of any specific medium, materials or size.
他们的方法很简单，在没有特定方法，材质或大小的限制下，创作个人的艺术。
The result shows that the selected materials and process are feasible and both the gross property and the size accuracy meet the requirement of performance specification.
结果表明，所选用的材料和工艺可行，雷达罩的整体性能和尺寸精度均满足性能指标要求。
The paper further explains that some parts in certain size and many kinds of materials can be produced by laboratory-scale HIP equipment.
同时阐明，实验室型热等静压设备还可承担适当尺寸的多（?）类型材料HIP零件的生产。
The number of people who can access these materials in English is relatively low given the actual size of the population.
考虑到实际的人口规模，能接触到这类（管理相关）英语资料的人相对较少。
It was already known that different materials had different weights: a cube of gold weighed more than the same size cube of silver.
人们已经知道，不同的材料具有不同的重量：一块金子比同样大小的一块银子重。
The large size of the graphene plays a key role in the performance because a larger size provides a higher cycling stability of the nanosized anode materials by improving their mechanical integrity.
而大尺寸石墨烯在性能方面之所以起到关键性的作用，是因为大尺寸石墨烯通过改善阳极材料的完整性，为纳米阳极材料提供了一个高循环稳定性的环境。
Works in such conditions, local materials spillway dam how to coordinate the size and height of buildings to ensure that safety is a major engineering design experience.
在此类工程条件下，当地材料坝如何协调泄洪建筑物规模与坝高以保证工程安全是本工程设计的主要经验。
The storage of materials in this facility does not follow the traditional approach of grouping books by topic but rather by book size, permitting the use of barcodes to store and retrieve them.
该设施中的物资存储没有遵循把书按主题分组的传统方法，而是按照书的大小，允许使用条形码来存储和检索。
So, an organism made out of the usual biological materials could not really have the size and proportions of the monster without collapsing under its own weight.
所以不基于生物学材料所创造出的生物不可能在自身重量不会压垮自己的情况下拥有和这只怪兽相当的尺寸和比例。
Survey of the relevant market, familiar with the materials name, type, size, price, purpose and origin etc.
进行相关市场行情的调查、熟悉和掌握各类物资的名称、型号、规格、单价、用途和产地。
According to nanometer theory, rice phytoliths must have properties of nanometer materials: surface effect, small size effect, quantum effect and macro quantum tunnel effect.
因此水稻植硅石具备纳米材料的独特性状：表面效应、小尺寸效应、量子尺寸效应和宏观量子隧道效应。
Due to different combinations of temperature and grain size and strain rate, materials show quite novel mechanical behavior.
温度、晶粒大小、应变速率的不同组合下，材料会呈现复杂的力学行为。
Limiting rules which may appear in building codes or in title documents which control the size, placement, materials, design or location of new construction.
可能出现在建造准则或产权文件中的限制规则，对新建筑的大小、安置、材料、设计或者地点进行控制。
The clearance of the sifter bottom can be adjusted according to size of the materials.
筛底可根据物料细度要求调整间隙，是硬质原料理想的粉碎设备。
She will sell you a cowboy hat made to fit the exact size of your head. There are many shapes, colors and materials to choose from.
她会卖给你完全符合你脑袋大小的牛仔帽。有许多形状、颜色和质地可供选择。
This paper reports some experimental results on variation of voidage in bed materials, bubble size and bubble rising velocity etc along the height of the bed.
本文介绍了流化床中床料空隙率，气泡尺寸，气泡上升速度沿床高变化的试验结果，提出了相应的无因次关联式。
Based on the micro mechanical feature of materials and the strength theory of fibrous bunchiness, the macro statistical size effect of materials was gained.
从材料的微观力学性质入手，用纤维束强度理论，得到了材料的宏观统计力学效应。
Research of SEM indicates that the heterogeneity of grain size is the typical microstructure of the materials.
SEM对试样微观形貌的研究表明，晶粒大小不均匀是这种材料的微观特征。
Research of SEM indicates that the heterogeneity of grain size is the typical microstructure of the materials.
SEM对试样微观形貌的研究表明，晶粒大小不均匀是这种材料的微观特征。
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