查询词典 asymptotic curve

In extremely arid condition, the survival rate curve of annual plants presents a Deevey Ⅲ type , while in relatively humid condition, the survival rate curve has a medial distribution type.

一年生草本植物的存活曲线在特别干旱条件下完全表现为DeeveyⅢ型，但在降水相对充足的情况下，存活曲线表现为中间类型。

The results showed that seedlings were abundant in both areas, but survival rates were low. The survival rate curve of the population fell between DeeveyⅠand DeeveyⅡ types. The trends of the disappearance rate and mortality rate curve are consistent. The spectral analysis indicated that there was a periodic regularity in the process of natural regeneration of cercidiphyllum japonicum.

结果表明：两个地区连香树种群幼苗个体比例都比较大，但死亡率很高；存活曲线介于DeeveyⅠ型和DeeveyⅡ型之间；消失率和死亡率曲线变化趋势一致；种群动态过程存在周期性，种群数量动态不仅受基波的影响，而且还显示出了小周期的波动。

The research results showed that: The accuracy of dimidiate pixel model is better than that of the experiential model during the vegetation retrieval.The curve degree of the cubic curve fitting is the best during the three built experiential models, but the experiential model is very simple and used widely.

研究结果表明：植被盖度反演中，像元二分模型的精度高于经验模型的精度，在建立的三个经验模型中，又以三次拟合曲线的拟合度最高。

The parameterization of section contour data is carried out by the method of accumulated chord length, the reasonable math model on the selection of node vector is given, the approximating of NURBS curve to section contour data is carried out by the least square method and the most reasonable number of control point is obtained by the dimidiate algorithm, which makes the approximating of NURBS curve reach the extent of complete automation.

用积累弦长的方法对截面轮廓数据进行参数化；给出了节点矢量选择的合理数学模型；用最小二乘法对截面轮廓数抛进行了NURBS曲线的拟合；二分法寻找最优控制点的算法使NURBS曲线的拟合达到全自动化的程度。

Compared with the deviation curve of the outlet thickness gained from the monitor-control system on-line, the roller gap curve of the model dovetailed nicely with the reality, which approved the accuracy of the model building and the rationality of the model simplify.

与现场监控系统获取的轧机出口厚度偏差曲线进行比较，发现虚拟样机仿真的实际辊缝开口变化曲线与现场轧机的实际输出结果几乎完全吻合，证明了所建立的1676mm冷连轧机液压辊缝控制系统仿真模型的准确性和模型简化的合理性。

The simulation example of SMA-13 shows that real road surface texture has the nearly same fractal dimensions with corresponding FIF curve and the application of FIF method in erose curve simulation is feasible.

通过对分形插值函数构成算法和纵向压缩因子取值方法的研究，给出了基于分形插值函数的路断面构造模拟方法和MATLAB语言编制的模拟流程图；对SMA-13马歇尔试件断面构造的拟合分析表明，实际路面断面构造和分形插值曲线在精度范围内具有一致的分维数，说明分形插值方法对路面断面构造等不规则曲线的拟合具有良好的适用性。

DSC analysis found that the behavior of PSPI-TM film containing TiO〓of 12% was greatly different from that of the corresponding ester-typePSPI film. An intense exothermal change was found on the DSC curve. TGAanalysis indicated that the curve for weight loss of the PSPI-TM film wouldnot reach a platform until 400℃.

DSC热分析表明含TM基于转化后PI的重量折算为12 ％(w／w的Ti〓的PSPI光刻胶膜的热转变行为不同于相应的酯型PSPI光刻胶膜，在300℃附近有一个很强的放热过程；TGA分析表明这种含TM的光刻胶膜直到400℃以上才达到&失重平台&。

Results Compared with the normal group,in the extratracheal group the ratio of actual value of resistance to the predict from 20 Hz to 35 Hz increased obviously and this only occurred with the reactance at 20 Hz (P＜0.01). The resistance curve showed clear rise after the 20 Hz and the reactance curve peaked at 20 Hz and was leveled to normal at 35 Hz.

结果 肿物组20赫兹时阻力和电抗（R20、X20）、35 Hz时阻力（R35）的实测值占预计值%显著高于健康组（P＜0.01）；频谱图中肿物组阻力线于20 Hz后显著升高，电抗线于20 Hz附近达到最高，并于35 Hz趋向正常。

The integrative usage of network optimization algorithm, cubic B Spline curve and Genetic Algorithm finds optimal and flyable curve .

考虑导弹飞行特点及机动能力的约束，利用网络优化算法、三次 B-样条曲线以及遗传算法寻找出性能指标最优的可飞行样条曲线；最后根据所求出的最优样条曲线给出导弹航路点。

Moreover we formulize the optimal path according to the theory of B-spline Curve, so the path which is composed by the grid point can transform into a continuous and smooth curve. By formulizing path we can also calculate angular velocity, angle acceleration, and torque in dynamics.

另外我们根据B-spline Curve的理论将最佳路径参数化，使由格点所组成的最佳路径转换为一条连续且平滑的曲线，藉此我们也可以计算动力学中的瞬间角速度、角加速度与力矩。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。