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This paper describes the standard stipulations for the quality control of TLD system, the method of dosimeter calibration and quantity dissemination.

本文主要介绍热释光测量系统的质量控制以及剂量计的刻度方法、量值传递等有关标准规定。

This paper describes the hardware design of the LED dot matrix display, and the principle function of the various parts of the circuit, the corresponding software program design and the use of some such.

文中详细介绍了LED点阵显示的硬件设计思路、硬件电路各个部分的功能及原理、相应软件的程序设计，以及使用说明等。

This text is mainly about the analysis of the palindromes of Y chromosome. We mainly used DOTTER program for detailed comparison of two sequences to obtain these results. The main contents are as follows:Chapter one mainly introduces the whole characteristics of human Y chromosome;Chapter two mainly describes the characteristics, functions and recombination modes of the palindromes in Y chromosome;Chapter three mainly analyses the symmetries of 8 palindromes of Y chromosome, we find a mechanism of symmetry breaking in P2 palindrome from a detailed analysis;initially introduces other 7 palindromes.

本文主要借助于DOTTER程序对Y染色体的回文序列进行分析，主要内容如下：第一章主要介绍人类Y染色体的整体特征；第二章主要描述Y染色体中回文序列的特征、功能及重组模式；第三章主要是对Y染色体8个回文序列的对称性分析，主要对P2回文进行了详细分析，提出了P2回文的对称性发生破缺的机理；对其他7个回文进行了初步分析。

This text is mainly about the analysis of the palindromes of Y chromosome. We mainly used DOTTER program for detailed comparison of two sequences to obtain these results. The main contents are as follows:Chapter one mainly introduces the whole characteristics of human Y chromosome;Chapter two mainly describes the characteristics, functions andrecombination modes of the palindromes in Y chromosome;Chapter three mainly analyses the symmetries of 8 palindromes of Y chromosome, we find a mechanism of symmetry breaking in P2 palindrome from a detailed analysis;initially introduces other 7 palindromes.

本文主要借助于DOTTER程序对Y染色体的回文序列进行分析，主要内容如下：第一章主要介绍人类Y染色体的整体特征；第二章主要描述Y染色体中回文序列的特征、功能及重组模式；第三章主要是对Y染色体8个回文序列的对称性分析，主要对P2回文进行了详细分析，提出了P2回文的对称性发生破缺的机理；对其他7个回文进行了初步分析。

Child photo bang double exposure holographic interferometry Institute of Measurement and Testing Technology of Yunnan Province, Yan Tsui Kit -----, This paper describes the double - exposure holographic interferometry technique of the basic principles, rationale, the establishment of the basic object of determining the displacement quantitative relationship ...

虐摄嘭双曝光全息干涉计量技术研究云南省计量测试研究所宴咀洁—————，本文阐述了双曝光全息干涉计量技术的基本原理，理论基础，建立了确定物体基本位移的定量关系式。。。

Down-and-out: an adjective that describes someone as being without resources or luck.

形容词、名词，表示某人很窘迫，或是描述某窘迫情况。

It describes the main function of the Under-water Dredging Robot.

为水下疏浚机器人的最终开发成功打下了坚实的基础。

Based on the drilling operation of 4 Wells, this article describes the basic characteristic of coalbed methane and technical difficulties in drilling. Some technical keys as borehole quality, fresh Water drilling,fresh water coring, coal-bed methane protection are solved through application of a series of techno1ogical measures such as optimization of rock bit, optimization of drill stem, optimization of drilling parameters and string coring and etc. The experimental performance, especially in fine-grained ...

本文以四口井的施工为例，着重介绍了煤层气井的特点，并指出了钻煤层气井的几个技术难点，通过钻头优选，钻具优选，钻井参数优选，绳索式取心技术等的现场实施和应用，基本解决了井身质量，清水钻井，清水绳索取心，煤层气保护等几个方面的技术难题，文中还介绍了使用中原油田自行设计的中原9508绳索取心工具的取心情况，尤其是在粉煤层地区的取心情况，这将为今后的煤层气开发打下坚实的基础。

Moreover.it also describes vibration of drumhead and spread of electromagnet wave.

此外，它还描述了鼓膜的振动，电磁波的传播等物理过程。

This paper,on the base of research of applied technology,describes the concept of optical dry plate and plate making film .

本文从应用工艺研究出发，阐述了光学干版和制版软片的概念、照相制版原理，性能以及制版工艺。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。