The assumed symbolic role of red ocher, said Dr. Henshilwood, comes from the large amounts of the predominantly red material found at a number of African sites as old as 160, 000 years.
亨希尔·伍德博士说，红色赭石的假设的象征性作用来自大量普遍的红色材料。这些在许多非洲遗址上发现的红色材料已达16万年之久。
Most shape memory alloys can only "cycle" (or change form) a limited number of times before the material gives out.
大部分形状记忆合金只能“循环”(或称改变形态)有限次数，之后材料就会疲劳了。
Today, we need to be able to perform interdisciplinary searches and, crucially, be able to acquire the material from a vast number of sources.
现在我们需要的是行进跨学科检索的技能，至为重要的是，要能从海量的资源中获取所需的资料。
It is determined by a number of factors including market share, competition, material costs, product identity and the customer's perceived value of the product.
它由一系列因素决定，这些因素包括市场份额、竞争、材料成本、产品身份和顾客认知的产品价值。
A second issue is that uranium is a comparatively scarce material, which exists in significant quantities in only a small number of countries.
第二个问题是，铀是一种比较稀缺的物质，只在少数几个国家大量存在。
I am certain that in the next 10 to 15 years, there will be a limited number of people working in galleries, and more effectively working as commissioning editors working on material online.
我确信在未来10年至15年，将会只有少量的人在画廊中工作，而更有效率的是在线委托编辑。
The course was compiled over a number of years, taking Into consideration the latest educational and psychological theories as well as a wide range of material concerned with memory systems.
这个课程经过数年编辑而成，充分考虑了最新的教育和心理学理论，以及有关记忆系统的广泛资料。
Through a large number of information inquiry, a large number of science resources utilization and STS approach design material have been obtained.
通过大量的资料查询，研究者获取了有关于科普场馆资源利用、STS教学设计的资料。
When sawing to control a number of sawing, avoid scratch, and a waste material and light fabric cutting, each with a clean cloth to stop the distance between.
锯切时要控制一次锯切支数，避免擦花，并且关于废品坯料和光面料锯切时，要每支之间用洁净布料停止距离。
Conformance to a particular material classification in this standard requires meeting a number of minimum physical and chemical properties.
要符合这个标准下的特殊材料分类，需要满足一系列最低物理和化学性能要求。
Google, for instance, faces a number of lawsuits in Europe for providing links to material that breaches privacy laws.
例如谷歌，因提供触犯盗版法律的材料的链接而在欧洲受到了很多起诉。
Manufacturers used the material in the construction of a large number of aircraft.
飞机制造商使用的材料数量在一个大型建筑的。
The material collected from a number of websites, and edited by a lawyer.
本文素材搜集自多家网站，由佳和律师编辑整理。
Meshes will be imported with UVs and a number of default Materials (one material per UV).
网格将随UV和一些默认材质（每UV一材质）被导入。
In addition to this core material, the book includes a number of interesting applications of the subject matter to areas both within and outside the field of mathematics.
除这种核心材料之外，那些书包括许多有趣应用的这种主要内容兑一地区两个在内和在领域的数学外边。
Methanol is an important industrial material; its derivatives are used in great quantities for making a vast number of compounds, among them many important synthetic dyes, resins, drugs, and perfumes.
甲醇是一种重要的工业材料，它的衍生物大量用于制作各种化合物，其中有许多重要的合成染料、树脂、药物和香水。
This material has been used across the globe in all types of construction projects for a number of years now, and other examples of its implementation in and around Bordeaux may be cited.
这种材料已经在全球各类建筑工程中使用多年，还能举其它如在波尔多和周围地区应用的例子。
A number of repairs can be made on tires and tubes, ranging from the patching of nail holes, punctures, or cuts to vulcanizing new tread material to the tire casing.
轮胎和内胎的维修范围为修补钉子划破的口子、破洞、或切口，以及用新的胎冠材料热补外胎。
At present a large number of researches indicate that the surface of metal material while the crack forms, can be emitted massive low energy electrons.
目前大量研究表明，金属材料在裂纹形成过程中，表面会发射大量的低能电子。
Two parabolic patterns of shapeless polymer material sections have been induced from a great number of experimental data. and the mechanism of their formation is also analysed.
本文在大量实验基础上，归纳出无定型聚合物材料断面上的两种抛物线形貌，分析了抛物线形貌的形成机理。
Normally, the ejected electron will be replaced within the material and a characteristic X-ray will be emitted with an energy that is dependent on the atomic number of the material.
此时原子处于激发状态，外层电子充填内层电子的空位并伴随释放出特征X射线（其能量与物质的原子量有关）。
As a raw material, natural gas is used to create a number of valuable products including fertilizer, paints, pharmaceuticals, medical devices, safety products and cosmetics.
作为原料，天然气可用来制造一些有价值的产品，包括肥料，涂料，医药，医疗设备，安全产品和化妆品。
The probability of a specific interaction occurring depends on the atomic number of the material and the energy of the gamma ray.
发生特殊相互作用的可能性和物质的原子量以及伽马射线的能量有关。
It has a variety of blending of material and a number of occasions.
它有多种配方，适合不同的面材和不同的场合。
The total dislocation length per unit volume of material, alternately, the number of dislocations that intersect a unit area of a random surface section.
在单位体积材料中包含位错的长度，或者说在材料内部任意单位截面上位错线的根数。
Yuanying has a number of outstanding professional and technical personnel, such as mold engineers, water engineers, material engineers, tower structural design engineers, quality engineers, etc.
远影公司有一批优秀的专业技术人才，例如模具工程师，水处理工程师，材料工程师，塔结构设计工程师，品质工程师等。
Yuanying has a number of outstanding professional and technical personnel, such as mold engineers, water engineers, material engineers, tower structural design engineers, quality engineers, etc.
远影公司有一批优秀的专业技术人才，例如模具工程师，水处理工程师，材料工程师，塔结构设计工程师，品质工程师等。
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