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In this paper,a technique using three right-angle points to achieve camera external parameters is brought forward based on the digital camera model and the known camera interior parameters.

在介绍数码相机成像理论模型和已知相机内部参数的基础上，提出了一种新的利用直角三点来实现数码相机外部参数标定的方法。

Firstly, the normal stress distribution over the 3D slip surface is initially assumed, which is modified by a function with five parameters involved for the rigorous solution, or by a function with four parameters involved for the quasi-rigorous solution.

假定空间滑面上正应力初始分布，对于严格解，用含5个参数的修正函数对其修正；对于准严格解，则采用含4个参数的修正函数。

In the currently do not have to RIP imagesetter output software and be subject to any adjustment of the output film's site density value test results we can achieve business card printing requirements, which means the current imagesetter RIP software and is in line with the parameters of the current business card printing requirements, are not required to be made of the relevant parameters are tuned, you can direct the output of a film that you want to test the value dot, and in the RIP software to convert "" gray-scale parameter is set to ensure that design business card printing suites in a color swatch dot value and imagesetters actual output of the dot matches a color swatch.

在长远不有有不差RIP输入软件和激光照排机举动任何调动的环境下，如果不差所输入胶片的实不天密度值尝试甘休能不亏到达制卡的给求时，这外明长远的RIP软件与照排机的参数是相符长远制卡给求的，不离不需给再不差一些不关的参数举动调动了，可以间接不差所输入的胶片举动网不面百分比值的尝试，并在RIP软件洋举动"灰度变换"参数的撤销，以包管在安排制卡版面时的各色块网不面百分比值与照排机本质输入时的各色块网不面百分比值分歧。

Directional Brightness Temperature of 3D row crop canopy generated by the Clumped Architecture Model of Plants were calculated efficiently and accurately based on the Persistence of Vision Raytracer software. Clumping index, average leaf angle and leaf area index are main parameters of CLAMP model. By analyzing the sensitivity of these parameters to DBT, the changing rules of DBT were found.

利用POV-ray光线追踪方法，对植被真实结构模型生成的复杂行播场景下的方向亮温进行快速演算，并针对CLAMP模型中集聚指数，平均叶倾角和叶面积指数，对冠层方向亮温的影响做敏感性分析，得到在不同参数输入条件下DBT的一些规律。

Firstly,using the method of concentrate mass this paper establish a non-linear dynamics model of a two-stage gear train with backlashe between the gear pair,and through analysed the dynamics model,the torsional motion differential equations are got , on this basis,then calculate the torsional motion differential equations using Runge—Kutta method ,and discuss how to influence the dynamics characteristic of system when these parameters chage such as mesh frequentcies、 stiffness of the intermediate shaft、the ration of mesh frequentcies.and discuss when the chaos will happen under the change of these parameters.

首先用集中质量法建立系统的含间隙的非线性动力学模型，并根据牛顿力学定理，得到系统的运动微分方程。然后对所建立的运动微分方程运用四阶变步长Runge—Kutta方法进行了求解，并对计算结果进行分析，研究了齿轮啮合频率、中间联接轴的刚度，一、二级齿轮的啮合频率比等参数变化时，对系统非线性动力学特性的影响规律，并讨论了当参数如何变化时会导致系统的混沌响应的出现。

This report starts with the analysis of high enthalpy real-gas effect, on the basis of high enthalpy real gas effect's characteristics to analyse similar parameters of wind runnel, impose necessary main simulation parameters of wind tunnel.

本文从高焓真实气体效应的特点分析入手，根据高焓真实气体的特点分析了风洞的相似参数，提出风洞需要模拟的主要参数。

Based on physical and psychological theories of driver's dynamic vision, combined related research methods and conclusions in home and abroad, the basic modes and characteristic parameters of driver's visual behavior were discussed systemically. Several indexes were determined as basic characteristic parameters of dynamic visual search mode, including fixation duration, visual angle, visual search scope, saccade amplitude and saccade velocity.

在驾驶员动态视觉生理学和心理学理论的基础上，结合国内外相关领域的研究方法和研究结论，对驾驶员视觉行为的基本形式和表征参数进行了系统的论述和分析，确定以注视持续时间、视角、视觉搜索广度、扫视幅度和扫视速度几个指标作为动态视觉搜索模式的基本表征参数。

The genetic parameters of leaf trait and bark trait were low while genetic parameters were higher from trait of samara and yield.

表型变异系数叶片性状和树皮性状的较低，而果实性状和产量性状的相对较高。

The program was written in C, the parameters were set according to the stability and transient response requirement and the experimental results showed that parameters were chosen satisfyingly.

软件用单片机C语言进行编写，各控制环节的取值都考虑到系统稳定性和动态响应的要求，经过反复调试和试验，各控制环节的取值都能满足设计要求。

For different solute-solvent-supercritical CO_2 systems, there are some generalities of the effects of the process parameters, for example, PS decreases with the increase of saturator pressure. But the effects of the process parameters are not same relating to the characteristics of the solutes and solvents.

不同的溶质-溶剂-超临界CO_2系统，其操作参数的影响规律有相同之处，如随着混合器压力升高微粒粒径减小等，但又不尽相同，这跟溶质和溶剂的性质有关。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。