国家标准局

模拟的结果和美国国家标准局火灾研究中心编制的ASET软件计算结果进行了比较。

Predicted results were compared with those obtained using the software ASET developed by the Fire Research Center , National Bureau of Standards U.S.A.

在美国，这种服务是国家标准局的一个重要职责。

In the United States this service is an important mission of the National Bureau of standards .

去年七月份国家标准局的头头说：政府已经停止使用“绿色GDP”一词，因为不符合国际惯例。

Last July the head of the NBS said the government had stopped using the term " green GDP " because it was not internationally accepted .

本基准测定的标准物质α-Al2O3摩尔热容舒平值与美国国家标准局发布的数据比较，在300～670K温度范围其一致性在0.1%以内。

The smoothed data of the certified reference material a-alumina are in agreement with those of the NIST within ± 0.1 % .

美国国家标准局（NBS）主要从事激光功率和能量测量用的电校准量热计的设计和研制。

NBS ( U. S. National Bureau of Standards ) maintains a set of electrically calibrated calorimeters designed and built specifically for laser energy measurement .

利用这台水卡计，对比热标准材料α&Al2O3进行了比热测定，测定的结果同美国国家标准局的数据相比偏差在1%左右。

The specific heat of reference material α - Al_2O_3 has been measured with this water calorimeter . The deviations between the results of measurement and the corresponding data from NBS are approximately 1 % . This calorimeter has some features .

美国国家标准局自由空气电离室空气吸收改正项的测量

Measurements of ATR attenuation correction factors for NBS free-air chambers

美国国家标准局激光功率和能量测量现状

NBS Laser Power and Energy Measurement Present Situation

国家标准局国家标准局

National bureau of standards

国家标准局原子时标

NBS A time scale

它建于1957年在美国国家标准局的领导的一个研究小组的罗素基尔希。

It was built in1957 at the US National Bureau of Standards by a team led by Russell Kirsch .

给出本项标准实际达到的主要技术指标及其与美国国家标准局同类标准样片的比较结果。

The technical performances of this standard and the result of comparing with NBS similar standard slices have also been given .

本文概括地介绍了美国国家标准局三台自由空气电离室空气吸收改正项的测量工作。

This paper introduces the measurements of air attenuation correction factors for three NBS ( National Bureau of Standards ) flee-air chambers .

GB18030是国家标准局新近颁布的最重要的汉字编码标准。

GB 18030 is the latest standard for encoding of Chinese words , which is constituted by the department of na-tional standard of China .

这些照片是从警方直升机里拍摄的，由美国广播公司根据信息自由法案的规定从美国国家标准局取得并发布。

The photos , taken from a police helicopter , were obtained by ABC News under a Freedom of Information Act request with the National Institute of Standards and Technology .

他的部门，取代了声望很高的海军计算部，成为西方世界最有力量的组织核心，竞争对手是美国国家标准局的相应部门。

His division took over the highly regarded Admiralty Computing Service as the nucleus of what was the most high-powered group in the western world , the rival being the American equivalent at the National Bureau of Standards .

高等加密标准（AES）是美国国家标准技术局（NIST）于2001年发布的，用于取代DES成为广泛应用的对称分组加密标准。

The Advanced Encryption Standard ( AES ) issued by the National Institude of Standards and Technology ( NIST ) of the USA in 2001 , is supposed to replace DES , and has become the new widely-used symmetric block cipher standard .

由美国国家标准技术局和国防部高级研究计划局组织召开的文本检索会议（TREC）是文本检索领域最具权威的国际评测会议。

Text Retrieval Conference ( TREC ), which is sponsored by the National Institute of Standards and Technology as well as the Defense Advanced Research Projects Agency , is the most authoritative international evaluation conference about text retrieval .

2006年参加了美国国家技术标准局举办的语种识别国际评测，并取得了较好成绩。

The group participated in the Language Recognition Evaluation held by the USA National Institute of Standard and Technology ( NIST ) in2006 , and got good grades .

根据国家标准计量局制订的防冲击眼护具试验方法的国标要求，提出一种眼护具冲击测试仪的研制方案，实现对防护眼镜和防护面罩的安全性能进行可靠精确的检测。

According to the national criterion for testing shock-resisted eye protection device established by the National Standard Bureau , the shock tester for eye protection device has been introduced in this paper , which can reliably and precisely test the safety capability of eye protection glasses or masks .

为了促进RBAC的研究和应用，美国国家技术与标准局提出了RBAC建议标准。

To accelerate the research and application of RBAC , NIST in USA has proposed a standard for it .

高级加密标准（AEs）是美国国家标准与技术研究局宣布采用的数据加密标准，在安全性、简洁性、实现成本等方面与原有的对称加密算法相比具有一定的优势，具有广泛的应用前景。

National Institute of Standards and Technology announced Advanced Encryption Standard ( AES ) as data Encryption Standard , which has certain advantages over original symmetric encipherment algorithm in security , conciseness , cost , and have widespread application prospect .

美国马里兰大学、美国国家标准化与技术局的研究人员发展了一种普适的、原位的利用导电纳米粒子实现纳米线阵列电接触方法。

Researchers at the University of Maryland , US , and NIST , US , have developed a generic , in situ approach for electrically contacting nanowire arrays using conductive nanoparticles .

国家实物标准暂行管理办法（国家标准局发布）

Interim Administrative Procedures on GB Sample ( Issued by China Standard Bureau )