查询词典 analytic curve

Sometimes the linear principal component analysis works inadequately when the data are nonlinear. In this paper, a new nonlinear analytic method, principal curve component analysis (PC~2A) is proposed.

对线性数据，PCA能保证降维后信息损失最小；然而，对占多数的非线性数据，这种线性分析方法受到较大的限制，用它分析数据可能会造成大量信息丢失。

By analysis of frequency spectrum based on MATLAB platform, wavelet method in the application of cutting out a section of inputting earthquake wave was presented. In the process of pseudo dynamic test results, the method of non-dimensional representation and analytic representation of hysteretic curve was provided. The above two methods will help to compare dissipation energy capacity of this structure at the different acceleration peak value stage of pseudo dynamic test more precisely and comparably.

通过基于MATLAB的地震波频谱分析，说明了小波分析方法在拟动力试验中地震波截取方面的应用：在拟动力分段试验数据的处理方面，本文将试验结果的无纲量表示方法以及曲线的多项式拟合法引入滞回曲线的数据处理，这将有助于拟动力试验不同加速度峰值条件下，各阶段结构耗能能力的客观比较。

The load that uses fiber model law to analyse concrete of round CFRP- steel tube to control curved component part - in sectional deflection curve, analytic result and test result be identical are better and slant at safety.

采用纤维模型法分析圆CFRP-钢管混凝土压弯构件的荷载-中截面挠度曲线，分析结果和试验结果吻合较好且偏于平安。

Results The concentration of IL-18 in tubercular pleural effusion group was (1200.34±530.25) pg/ml, while that of the malignant pleural effusion group was (240.40±80.49) pg/ml, the former was significantly higher than the latter (P.01); The analytic result of ROC curve showed that 360 pg/ml IL-18 could be seen as the critical value for diagnosis of the tubercular pleural effusion, whose sensitivity and specificity respectively was 89.2% and 93.5%.

结果 结核性胸腔积液组IL-18的浓度为(1200.34±530.25)pg/ml，恶性胸腔积液组IL-18的浓度为(240.40±80.49)pg/ml，结核性胸腔积液组IL-18的浓度显著高于恶性胸腔积液组(P.01)；ROC曲线分析结果显示IL-18以360pg/ml为诊断结核性胸腔积液的临界值，其敏感度和特异度分别是89.2%和93.5%。

On the basis of analytic geometry, the projection curve types of intersection lines of cone and cylikder, cone and cone on V plane is hyperbola and cone and sphere is parabola.

基于锥与圆柱、圆锥、圆球正贯时，相贯线V 面投影为双曲线和抛物线，且X 向极值点所在高度只与柱、锥轴线、球心距离锥顶高度和立锥锥顶角有关，而与它们的直径无关，给出了求该极值点的作图方法。

The company website operation, develops the B2C service to develop channels and so on Carrefour, Bestbuy to complete to Southeast Asia market survey Region marketing consultant works the responsibility division key sales territory, investigates the market environment and the domestic customer consumer behavior development essential channel seller, formulates the region sales program formulation reasonable price strategy, the opportune moment carries on the effective promotion customer maintenance, utilizes the actual seller the 4C theory to train The main achievement completes TOYOTA the SALE training (behavioral science, marketing theory, CS, brand management), grasps Toyota Production System and Just in the time management implements the Toyota type sale, manages in the region the channel, the achievement month by month promotes, to achieve the region year sales target (70,000,000 RMB) The commodity business planning works the responsibility deliberated company's profit structure, the analysis with the control division old times the profit and loss, the formulation new product operational policy, the strategy market environment investigation estimate potential market profit rate comparison product competition situation, the product localization, the estimate life cycle, the curve analytic product cost, after formulation price strategy product going on the market, track produce market situation The main achievement participates in W-PJT, NOVA-PJT, the AIR-FORCE project, under the project participates in the personnel joint effort, the product year sales volume achieves 100,000 Commodity business planning work responsibility market survey; Coordinates the South Korean research and development personnel, to the new product the brand-new development, formulates the zone price strategy, compared with competitive power situation.

公司网站运作，开拓B2C业务开发Carrefour、Bestbuy等渠道完成对东南亚市场调查区域销售顾问工作职责划分重点销售区域，调查市场环境及当地客户消费行为开发关键渠道销售商，制定区域销售计划制定合理价格策略，适当时机进行有效的促销活动客户维护，将4C理论运用到实际销售员培训主要业绩完成TOYOTA SALE培训（行为科学、营销理论、CS、品牌管理），掌握Toyota Production System和Just in time管理实施Toyota式销售，管理区域内渠道，业绩逐月提升，达成区域年销售目标（7千万RMB）商品企划工作职责与管理部研讨公司的利润结构、分析往年损益，制定新品经营方针、策略市场环境调查估计潜在市场获利率比较产品竞争情况，产品定位，预估生命周期、曲线分析产品成本，制定价格策略产品上市后，跟踪产品市场情况主要业绩参与W-PJT、NOVA-PJT、AIR-FORCE项目，在项目参与人员共同努力下，产品年销量均达到10万台商品企划工作职责市场调查；协同韩国研发人员，对新产品全新开发，制定区域价格策略，比较竞争力情况。

Base on the principle of analytic geometry, the mathematical model of the intersected pipe s is established in this paper, and the curve of intersection is worked out by numerical analysis.

利用解析几何的原理建立了两管及多管相交问题的数学模型，通过数值分析方法求得了相贯线的几何形状。

To solve the problem about determinant and solution to tangent line of curve of second order in Analytic Geometry with viewpoint and methods of Higher Geometry.

利用《高等几何》的观点、方法解决《解析几何》中的二次曲线的切线的存在性与求法问题。

This paper analyzed thoroughly the transient electromagnetic field analytic expression in homogeneous half space, discovered that the transient response curve has a characteristic of translational expansion and contraction with the underground conductivity, transmit loop length and observation time. According to that, we proposed a new direct method to calculate full time domain apparent resistivity.

深入分析了均匀半空间中瞬变电磁场的解析表达式，发现瞬变响应曲线随地下电导率、发射回线边长与观测时间具有平移伸缩特性，并据此提出了一种新的直接计算全区视电阻率的方法。

"Closed curve, one of the conic sections of analytic geometry, consisting of all points whose distances from each of two fixed points add up to the same value."

解析几何中圆锥截线的一条封闭曲线，包含了与两个定点之距离呈等值增加的所有点。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失