The earliest methods for determining the seasons recorded in ancient Chinese classics are the observation of the sun's shadow at noon and the meridian stars at dusk.
中国古文献记载的最早的定季节的方法是观测正午日影和黄昏中星。
Two methods for determining the above mentioned products are presented.
提出了测定上述产物的两种方法。
This paper provides some methods for determining bus headway using passenger load data.
依据西安市公交公司客流调查数据，探讨了几种确定发车间隔的方法。
The methods for determining the insulation levels and performance testing were presented.
阐述了产品绝缘等级的判断方法及其性能检测方法。
Many methods for determining it have been developed in order to protect people from its harm.
为免遭其害，人们建立了众多的检测方法。
The methods for determining total nitrogen and basic nitrides content in diesel oil are described.
介绍了测定柴油中总氮及碱性氮含量的各种方法。
One of the most sensitive and accurate methods for determining thiamine is the thiochrom procedure.
测定硫胺素最灵敏和准确的方法之一是硫色素（脱氢硫胺素）法。
Most of the current methods for determining PSD were indirect and contained inherent disadvantages.
当前测定孔径分布曲线主要是间接方法，此方法有其本身的缺陷。
There were many mature methods for determining reservoir thickness, such as amplitude method, et al.
薄储层厚度的计算已有不少成熟的方法，如振幅法等。
Two methods for determining the airway responsiveness of small animals were established and compared.
比较了两种测定动物气道反应性的方法：整体容积描记法和气道内压法。
In this paper the experimental methods for determining the critical speeds of rotor systems are investigated.
本文研究转子系统临界转速的实验测定法。
At last, the paper gives several methods for determining the proportion of benefit allocation in the alliance.
最后，文章给出了确定联盟利益分配比例的几种方法。
Objective: to establish the pretreatment methods for determining pesticide residues in foods with gas chromatography.
目的：建立气相色谱法测定食品中农药残留的预处理方法。
The methods for determining coefficient of reconsolidation volume compressibility and reconsolidation index are given.
提出再固结体积压缩系数和再固结压缩指数的概念并给出其确定方法。
Various methods for determining vehicle reference speed for ABS are analyzed with their strong and weak points compared.
分析了前人提出的汽车制动防抱系统控制中多种参考车速算法，比较了它们的优缺点。
Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented.
给出了确定井下液力推进器以下钻具临界长度的两种方法。
The experimental apparatus and methods for determining the anisotropic index of a diamond impregnated bit were introduced.
介绍了测定孕镶金刚石取心钻头各向异性指数的实验方法。
FDA A does not intend to set acceptance specifications or methods for determining whether a cleaning process is validated.
FDA并不想设定决定清洗过程是否有效的认可参数或方法。
The methods for determining the lifting force and fulcrum positions of rear door in a delivery van are presented in this paper.
介绍了厢式载货汽车后门支撑举力值及支点位置的选择方法；
How to set seismic joint suitably and how to adopt simple or practical methods for determining seismic joint width were deeply studied.
深入研讨了合理的防震缝宽度以及简便、实用的防震缝宽度的确定方法。
Based on the assessment of existing methods for determining the effective stress parameters of unsaturated soil, a new method is proposed.
本文在评价了现有非饱和土有效应力参数确定方法的基础上，提出了一种新的求解方法。
After the shortcomings of existing methods for determining the index weight are analyzed, a method is presented on the basis of the worst scheme.
简要分析目前指标赋权法的优缺点，给出了一种利用最劣方案计算指标权重的方法。
Several beeline analysis methods for determining formation flow capacity, skin factor and initial reservoir pressure from slug-test data are reviewed.
综合研究了几种可以用于确定地层系数、表皮因子和原始地层压力的段塞流直线分析方法。
This paper deals with different methods for determining the deflections of the vertical and some of its practical applications to engineering surveying.
本文论述了各种测定垂线偏差的方法及其在工程测量中的实际应用。
Several calculating methods for determining the air-flow rate, the exhaust temperature, the compressor outlet pressure and the turbine inlet pressure are compared.
对四冲程柴油机增压系统的空气流量，排气温度、压气机出口压力和涡轮进口压力的若干种计算方法进行了分析。
The XRD, EXAFS, DSC, SEM and XPS methods for determining and characterizing amorphous structure, surface morphology and active center of the catalysts were introduced.
介绍了对非晶态合金催化剂的非晶结构、表面形态、活性中心等进行表征和定性的XRD、EX AFS、DSC、SEM和XPS等方法。
A hyperbola model, a modified hyperbola model and a exponential model for describing shear property of soft terrain and methods for determining their parameters are presented.
提出了描述松软地面剪切特性的双曲线模型、改进的双曲线模型、纯指数模型和确定它们的参数的方法。
The study used different methods for determining whether people had dementia depending on the information available, including exams, neuropsychological tests and questionnaires.
基于测验，神经心理学测试和问卷调查等形式获得的资料，该研究采用多种方法以确定人们是否患有痴呆症。
Two methods for determining the cure system and its proportion for pultrusion process were introduced in this paper. Meanwhile, a satisfied curing system and process were achieved.
介绍了两种确定拉挤成型固化体系及其比例的方法，并得出了优化的拉挤成型的固化系统方案。
Two methods for determining the cure system and its proportion for pultrusion process were introduced in this paper. Meanwhile, a satisfied curing system and process were achieved.
介绍了两种确定拉挤成型固化体系及其比例的方法，并得出了优化的拉挤成型的固化系统方案。
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