1) experience curve
经验曲线
1.
This paper reviewed the origin and development of experience curves, summarized experience curves effect in petrochemical industry as the following; experience curves effect with a double slope of 25 % exists in the long term developing trend of fixed cost of typical bulk chemical products, and experience curves effect with a double slope of 25%- 63% exists in ca.
经验曲线是美国著名波士顿咨询公司开拓的管理预测概念和工具之一,回顾经验曲线的起源及发展,总结了有关石化行业中的经验曲线效应现象,即:典型的大宗化工产品的固定成本的长期趋势存在明显的双倍斜率约为25%的经验曲线效应;同时单位固定资产投资也存在着双倍斜率为25%-63%的经验曲线效应。
2) empirical curve
经验曲线
1.
In this model, empirical curve method isadopted for opened diversion channel, and broad crest weir theory is adopted for the river kerf.
介绍了三峡工程大江截流的特点及开展本项研究的必要性,建立了导流明渠采用经验曲线法、龙口应用宽顶堰理论~[1]的三峡工程截流期水力学要素预报模型。
3) statistical curve
经验曲线
1.
Introduce a format of the statistical curve fitted by multi-dimensions least square.
给出了多维最小二乘法拟合经验曲线的格式。
4) empirical frequency curve
经验频率曲线
1.
In order to correctly evaluate the trophic state of a lake and then to establish a scientific basis for the prevention of lake eutrophication, a lake eutrophication stochastic assessment method (LESAM) by using empirical frequency curve (EFC) is proposed.
本文提出了基于经验频率曲线的湖泊富营养化随机评价方法。
5) empirical calibration curve
经验定标曲线
6) experience curve of re-creation
游憩经验曲线
补充资料:Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖,T~aaa,即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合,也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程,关丘=刁:f/刁xi刁、,则它的He丈犯曲线的定义方程为 !不:关:五,} }五:关:五31=0. }人,人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
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参考词条