In the respect of supplier evaluation system . the traditional supplier evaluation usually adopt the formula method or subjective judge based on analytic hierarchy process ( ahp ) , which is not able to evaluate accurately 在供应商评价体系研究方面，传统的供应商评价通常是在层次分析法( ahp )的基础上采用公式法或主观臆断法，不能做到精确评价。
Secondly , combining practical survey method and time - resistance mathematic model , the author obtained average time distance from every time - cell to fictitious time center , isotime curve figure ( by arc view 3d analyze ) and temporal shape 然后利用实际测量法和理论公式法计算出深圳特区各时间单元的平均时间距离，并用arcview中的3d分析模块自动生成等时线图。
Basic concepts and relevant calculations of hexagonal systcms . the basic concepts of hexagonal systems are introduced . we also recommend two calculating methods for the kekule structure count on hexagonal systems f enumeration and formula applying 介绍了六角系统的基础知识，包括六角系统的基本概念和性质，以及计算平面六角系统中kekule结构数的两种方法：枚举法和公式法。
The temperature stress is analyzed by formula and numerical method respectively ; and the fit temperature step is obtained . the interactions of undamaged pavement and soft clay ground , damaged pavements and soft clay ground are studied under the conditions of temperature change 其次，采用公式法和有限单元法计算一维沥青混凝土杆低温下变温的温度应力，通过分析给出了采用有限单元法计算温度应力时的合适温度步长。
The formulas for pile force influence lines of piled rigid deck derived by using formulas of raking pile of bridge deck are applied for calculating the pile force influence lines of piled rigid deck in port engineering , the results by which fully meet the design requirement 摘要应用桥梁承台斜桩实用公式法推导出刚性桩台桩力影响线的计算公式，并应用于港口工程高桩刚性桩台桩力影响线的计算，其结果完全能满足工程设计要求。
Although analytical formulas are not accurate enough to calculate stray light , they can help designer to distinctively understand the cause of formation of seven types of stray radiation and their influences , so as to adopt proper methods to restrain stray light and to optimize baffle design 采用公式法计算系统杂光，精度虽然稍差，却可清楚地了解系统七种类型杂光的成因和影响，便于有针对性采取抑制措施，优化遮光设计。
All the methods can calculate the flood based on the storm data . the software can be used in henan province . additionally , the rational formula method and the plain drainage method can be used in other regions near henan province , even farther regions 软件包括推理公式法、单位线法、平原排涝公式法三种由暴雨资料推求设计洪水的计算方法，除了适用于河南省中小流域设计洪水外，推理公式算法、平原区排涝公式算法也可在邻近省市和更大的范围内推广使用。
Such methods were applied in predicting the water demand as tendency method , fitting - formula method , relativity - analysis method , indicator - analysis method and systematic dynamics method , which in combination helped to predict water demand in 2001 , 2005 and 2010 of dalian 在对城市需水量预测中笔者采用了趋势法、拟合公式法、相关分析法、指标法、系统动力学法进行预测。得出大连市2001年、 2005年、 2010年需水量，以此分析21世纪初城市将面临淡水危机。
When frequency much higher than cutoff , using classical formulation method it is to know that tunnel wall wet make attenuation of electromagnetic wave increase in rectangular tunnel and make attenuation of other electromagnetic wave mode increase but te mode with tunnel wall permittivity 当频率远高于截止频率时，利用传统公式法可知：矩形隧道中隧道壁湿润引起衰减增大；圆形隧道中e模式衰减率因电容率的增大而减小，其他各模式则因电容率的增大而增大。
With these three calculated parameters , the attenuation factor value of the radio wave propagation in the earth ' s crust is calculated by the ways of plane wave method and communication formula method , and the value of the leakage on the ground is also calculated by the inhomogeneous medium ' s field analysis method 据此三种参数，利用平面波法和通信公式法计算出电波在地壳中传播的衰减因子值，以及利用非均匀介质的场分析法计算出地面场强泄露衰减因子值。
