Methods to compare the principles and calculation methods of cumulative incidence rate, incidence density, and risk factors adjusted incidence density.
方法比较医院感染累积发病率、发病密度和危险因素调整的发病密度的计算原理。
In this paper the principles and methods of mechanical calculation models for tunnel was judged by using directly the information of displacement measurement in monitoring of tunnel construction.
本文研究了直接利用隧道施工监测的位移量测信息来判别隧道力学计算模型的原理和方法。
The principles and methods of geometric programming are adopted to deal with the calculation of compositions of combustion products in MHD system.
本文应用几何规划理论和方法处理磁流体发电装置中燃烧产物组分的计算问题。
The article describes calculation principles, methods, structure parameters and mathematical models in optimized design.
文章介绍了优化设计的基础计算依据、计算方法、结构参数和数学模型。
The principles, reagents and calculation procedures of the several methods of testing the amount of the nitrite existed in bonderizing agent are introduced.
介绍了几种检测磷化工作液中亚硝酸盐浓度的原理、试剂和计算方法。
The purposes of this paper are to go further into the designing principles and present the practical methods for calculation.
本文目的是探讨锚喷支护设计理论，并提出实用计算方法。
In this paper, the actuality and trend of domestic and overseas line losses calculation is analyzed, and the principles and methods are studied.
本文首先分析了国内外电力网线损计算现状和发展趋势，研究了电力网线损计算原理和方法。
The principles and implementary methods of reflected temperature compensation were introduced, and the theoretical calculation formula was obtained.
介绍了该方法的原理，给出了该补偿方法的理论计算公式。
This paper introduces the basic principles and steps of the Monte Carlo Methods used in the electron transport calculation.
介绍了电子输运问题的蒙特卡罗方法的基本原理和步骤。
The working principles and methods of calculation of both compensated and non - compensated heating pipe lines are compared and the advantages of directly buried pipelines are pointed out in this pa…
并对有补偿和无补偿直埋供热管道的基本原理及计算方式进行了比较，介绍了直埋供热管道的优点。
The working principles and methods of calculation of both compensated and non - compensated heating pipe lines are compared and the advantages of directly buried pipelines are pointed out in this pa…
并对有补偿和无补偿直埋供热管道的基本原理及计算方式进行了比较，介绍了直埋供热管道的优点。
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