查询词典 standard deviations

In 1951, Tiffany used sterling standard to make products and became the first American company adopted United States Sterling Standard. At that time, sterling silver standard products became popular.

在1851年，Tiffany生产了以925银标准制造的银器，成为美国第一家使用此标准生产产品的公司，以925银制成的首饰也开始风行起来。

There were various institutional arrangements in an attempt to find a solution, including the Silver Standard, the Gold Standard, the Gold Exchange Standard and the Bretton Woods system.

历史上的银本位、金本位、金汇兑本位、布雷顿森林体系都是解决该问题的不同制度安排，这也是国际货币基金组织成立的宗旨之一。

Character: White or almost white crystalline powder, smell-less;Assay:≥98.5%;Solubility:Soluble in water, Slightly soluble in acetone and ethanol;IR:Complies with the working standard;Chemical identification:Red;Na Salt indentification:Complies with the standard;Relative substance:Complies with the working standard;pH:8.0-9.5;Loss on drying:≤0.5%; Heavy metal:≤ 20ppm

特征及特性：应为白色或类白色结晶性粉末；无臭，无味；含奥扎格雷钠(C13H11N2NaO2)≥98.5%；在水中溶解，在乙醇和丙酮中微溶；IR图谱与对照品一致；化学鉴别应显红色；溶液主斑点与对照品溶液主斑点的位置相同；钠盐鉴别符合规定；有关物质鉴别符合规定；pH：8.0～9.5；；干燥失重≤0.5%；重金属≤20ppm

Using the iron standard solution makes standard curve, and then through the standard addition method measures the absorbance of water samples, and finally through the calculation knows content of iron of water sample.

通过铁标准溶液作出标准曲线，再通过标准加入法来测出水样的吸光度，最后通过计算得出水样中铁的含量。

Based on the summary of enacted and implemented quality criteria and emission criteria in the system of EC atmosphere environment standard, the implementation procedures and requirements to member states and characteristics of EC atmosphere environment standard directive s are analysed, and some suggestion for formulating and implementing Chinese atmosphere environment standard is also proposed.

在概述欧盟已颁布实施的大气环境标准体系中的质量标准和污染物排放标准的基础上，分析了欧盟环境标准指令在成员国内的实施程序与要求以及欧盟大气环境标准的特点，并对我国大气环境标准的制定与实施提出了建议。

There are three of them: standard input, standard output and standard error.

这三个句柄是：标准输入，标准输出和标准错误句柄。

HTML 4 is an SGML (Standard Generalized Markup Language) application conforming to International Standard ISO 8879, and is widely regarded as the standard publishing language of the World Wide Web.

HTML 4是一种符合ISO 8879标准的SGML应用程序，被广泛用作万维网的信息发布标准语言。

The whole system was calibrated by standard lamp with the standard transferred from the national primary photometric and colorimetric standard.

系统量值传递是通过国家色度和亮度基准标准灯来完成的。

A standard developed to meet the requirements of portable consumer imaging and multimedia applications — what the IEEE refers to as the standard for High Rate Wireless Personal Area Networks.(The IEEE defines High Rate as 20 Mbps or better.) It is based on a centralized and connection-oriented ad-hoc networking topology. The standard also supports peer-to-peer connectivity and isochronous and asynchronous data.

802.15.3标准的开发主要用于满足便携式用户成像和多媒体应用的需求。802.15.3标准也就是IEEE所指的高速无线个人局域网标准，IEEE规定其传输速率不低于20Mbps.802.15.3标准建立在一个集中的，面向连接的特别的网络拓扑基础，支持对等连接和同步、异步数据传输。

Second, From the internal comparison of linzhang dialect,I find that the difference from east to west is smaller and the difference is larger from south to north ,particularly the southern Zhanghe is affected by vicinity dialects, the tail is abundant and the suffixation of the northen Zhanghe is increasing under the influence of the Standard Chinese. The exterior comparison includes the comparison of the linzhang dialect vocabulary to that of the vicinity and that of the Standard Chinese. The comparison with the vicinity dialects reveals the ralationship of the Linzhang dialects with the vicinity dialects and inquire into its reason. Third, Through the comparison between the dialect and the Standard Chinese from the aspects of sallable, morpheme,affixation, I reveal the vocabulary-made characteristics of the Linzhang dialect---- to have abundant affix. Last, we divide the vocabulary in the Linzhang dialect into the Ancient Chinese words,the Medieval Chinese words,the Modern Chinese words,the Modern Chinese words by the historical view.

漳河北受普通话影响比较大，儿化现象比较突出；外部比较主要通过临漳与周围县，如安阳、魏县、磁县、成安县等，方言词汇的比较以及与普通话词汇的比较，揭示了临漳方言与周围县方言的亲疏关系，并探讨了其原因； 3、临漳方言词汇的构词特点，主要从构词的角度，从音节、语素、附加式构成几个方面与普通话进行了比较，突出了临漳方言词汇词缀构词的特点； 4、临漳方言词汇的历史层次是从汉语史的角度对词汇进行的分类研究，从词汇产生的时代划分出上古汉语词汇、中古汉语词汇、近代汉语词汇以及现代汉语词汇。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。