In this paper, model of quasi-parabola regressive function was established by the thorough analysis to the characteristics of quasi-parabola function, according to the characteristics of the model, we established the method of parametric estimation of the model by the numerical calculus combine.
本文通过对伪抛物线函数性质的深入分析,建立了伪抛物线回归函数模型,并根据该模型的特点,运用数值计算和解析计算相结合的方法,建立了该模型的参数估计方法,同时给出了显著性检验方法。
The parabola gyre surface has been used widely,because of its special optical prop-erty.
抛物回转面因具备特殊的光学性质而被广泛使用 ,针对批量生产该表面的精密模具的数控加工问题 ,给出了用平头铣刀三轴联动加工方案 ,并给出了工具参数 ,加工行距以及加工数控进给量的整套计算模型 ,用实例验证了方案的可行性和模型的可靠性 ,为此类精密镜面批量生产的模具制造提供了全面参
Through studying the intersection of paraboloid of revolution and cylinder, the author concluded that the horizontal projection of the intersecting lines—, is the famous Four-order algebra curve-Perseus curve.
通过对回转抛物面与圆柱面相交的研究，得出交线的水平投影曲线——为四次代数曲线——Perseus座曲线的结论。
South Africans are very experienced in reintroducing big animals to the wild.
“南非人在让大型动物回归自然方面颇有经验，
Biomechanical Research of Sport Shoes Energy Regression Design;
运动鞋能量回归设计的生物力学研究
A Study on Labour Theory of Value:Regression to Reality;
劳动价值论研究:回归本原、回归现实
Empirical Analysis of Chinese Price Fluctuation Based on SVAR Model
基于结构向量自回归模型的我国物价波动实证分析
homing instinct
归巢 [回归] 本能
Research will also be made on the technology of reintroducing animals and the approaches to restore the rare wildlife in natural habitat.
开展动物"再引入"工程相关技术的研究，加强珍稀物种回归自然栖息环境的技术研究。
The Diameter of Micro-glass Beads to the Performance of Retro-reflective Fabrics;
微珠直径对回归反光织物性能的影响
Return to the Tradition;
回归传统——从《源氏物语》透视《雪国》
On the Tragic Character of Men and Women in Shen Congwen s Fictions Who Return to Mountain Caves to Make Love and Die;
沈从文小说人物回归山洞的神话悲剧
Study on Regression Model for Single Jatropha curcas Biomass
膏桐人工林单木生物量回归模型研究
Application of Regression Analysis in Determination of Nutrient Solution Concentration of Foliage Plant
回归分析法确定观叶植物营养液浓度
LRL (lunar receiving laboratory)
月球物质回收和回归宇航员检疫实验所
Retrospect and Prospect of the Study on the Loss and Return of the Chinese Cultural Relics
中国文物的流失与回归问题研究的回顾与前瞻
Automation Architecture Research of GUI Regression Test;
GUI产品回归测试的自动架构研究
Research on Automated Regression Testing Technologies of GUIs;
面向GUI的自动化回归测试技术研究
A Method of Spectral Analysis of Echoardiography on Auto Regressive Model;
基于自回归模型的心动图谱分析研究
Drift and Regression--Appreciation on THE STORY OF ROBINSON S DRIFT;
漂流与回归——动画片《鲁滨逊漂流记》
Attributive analysis of men s decathlon in China and abroad;
国内外男子十项全能运动的回归分析