1、

To improve the precision of tree biomass parameter calculation, this paper explicates the principle, method and process to estimate the parameters of tree biomass by the nonlinear least square according to the formula of allometry method ( power function).

为了提高林木生物量参数的计算精度,根据林木相对生长公式(幂函数),阐述用非线性最小二乘法求解生物量参数估值的原理、方法和过程;

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2、

The design of minimum sized spacial cam mechanism with a translating follower according to allowable pressure angle

按许用压力角设计最小尺寸的直动从动杆空间凸轮机构

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3、

Measurement of light wavelength with angle of minimum deviation of optical grating

用光栅最小偏向角法测定光波波长

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4、

When The goniometer is used as spectrometer, the design of 2:1 driving mechanism of self-hunting minimal angle of deviation method is applied. Synchronous error of the driving mechanism is estimated, and the error data are given.

介绍了当仪器作为分光仪使用时,采用自寻最小偏向角法的2:1传动机构的设计,估算了传动机构的同步误差,并给出了误差数据。

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5、

It is approximately the LCM (lowest common multiple) of the synodic period (29.53 days), draconic period (27.21 days), and the anomalistic period (27.55 days) of the Moon.

沙罗周期日数约为朔望月周期(29.53 日)、 交点月周期(27.21 日) 和近点月周期(27.55 日) 的最小公倍数。

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6、

Reference [ 1] and [ 2] suggest an approach of minimum span tree for automatic pick of the stacking velocity.

在文献[1][2]中,曾先后提出过利用图的最小生成树的模型和方法自动拾取叠加速度,并取得了一定的效果。

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7、

By comparing it with the errors measured by the least area method, it is proved that this method is effective.

通过与用最小区域法测得的误差结果相比较证明,该方法是行之有效的。

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8、

Microcomputer Processing Program to Evaluate Coaxiality Errors by Located Minimum Area Method

用定位最小区域法评定同轴度误差的微机处理程序

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9、

Least Area Method for Linear Regression

直线回归的最小面积法

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10、

Development of mathematical model of minimum area method for roundness error estimation and its measuring method

圆度误差最小区域法数学模型的建立及其测量方法

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11、

Optimum design is implemented to the 340,000 DWT FPSO in order to minimize the area of the transverse section of the midship. The self-adaptive step random search method is applied in this paper. The comparison between the results of rule-design and optimum design is also given.

以中横剖面的面积最小为目标函数,应用自适应步长随机搜索法,对34万吨级FPSO中横剖面进行了优化设计,并将规范设计结果和优化设计结果进行了比较,优化效果较好。

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12、

A term is given for choosing the least quality solid armature by calculating on some model, some results in improving projecting efficiency and reducing erosion are gained by experimenting on armatures designed by us.

本文通过一定模型的运算,得到了选取固体电枢最小质量的根据,并通过对设计电枢进行试验,得到了一些改进电枢、提高发射效率、减少烧蚀的结果。

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13、

Operational Effectiveness of Amphibious Armored Car Forecast Based on Partial Least-squares Regression

基于偏最小二乘的两栖突击车作战效能预测

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14、

Their strategy is designed to achieve its ends at a minimum cost.

他们的战略思想是以最小的代价来达到他们的目的.

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15、

The equation for calculating minimum tightening torque on the crank pin nut is given.

给出了曲柄销联接螺母的最小拧紧力矩计算公式.

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16、

The details including: the application types of road crossing of town arterial road and traffic management mode; the standard of minimum control spacing of road crossing and road access; access management technology; access-point examination and approval system and so on.

具体包括:城镇群连接道路平面交叉口的适用类型和交通管理方式;平面交叉口和出入口最小控制间距标准;出入口接入管理技术;出入口审批制度等。

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17、
18、

Based on the feature of the moving least squares ( MLS) approximant, polynomial basic functions and a weight function were chosen to meet the C1 continuity and the completeness of the interpolants in elastic plate bending problems.

基于滑动最小二乘(MLS)插值函数的特征,选择二次多项式基函数和指数型权函数,满足板弯曲问题对插值函数C1连续性和完备性的要求;

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19、

In nonlinear regression model, θ n is the least squares estimator for parameter θ, its consistency problem has a important background of statistic application, so its consistency problem has been studied by many statistic scientists, and has been resolved more perfectly.

在非线性回归模型中参数θ的最小二乘估计量θn的相合性问题有重要的统计应用背景,所以已经被许多统计学家研究过了,并已得到较完善的解决。

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20、

A new finite difference wide angle beam propagation method is developed by introducing the least squares expansion approximant in the propagator expansion.

用最小平方逼近展开传播算子,实现了一种新的半矢量显式高阶有限差分光束传播方法。

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