直线的

Provide an opportunity for them to appreciate the application of direction of a line and the normal of a plane.

使学生体会直线方向向量，平面法向量的作用，加深对直线或平面方程中点坐标的理解。

A method for synthesizing symmetric hinged 4-bar li nkage approximate to a straight line with a first ovdered osculation at three points of a given straight line was proposed.

提出了一种综合与给定直线在三个点上一阶密切的对称铰链四杆近似直线机构的方法。

And the next period will discuss the distance between line and its parallel plane.

在接下来的课时，将讨论学习直线平行平面时，直线到平面的距离。

The plane figure formed by connecting three points not in a ''.

三角形一种由直线线段连接不在一条直线上的三点形成的平面图形；三边图形

Line drawing is a fundamental task for raster graphics. Any acceleration of the traditional line drawing process is of great significance.

直线绘制是光栅图形学中一个最为基本的任务，加速传统直线绘制算法有着重要的实际意义。

Rectilinear patterns in wallpaper; the rectilinear propagation of light.

壁纸上的直线图案；光的直线传播。

By the above four criteria, it is proved that there does not exist a line parameterization which could satisfy all the four criteria at the same time, and that the line parameterization, formulated as c= ax+y, a∈-a0 ,a0, where a0 is an arbitrary positive number, can not only satisfy the uniqueness, boundedness, and recursiveness criteria, but also achieve the best goodness to the uniformness one.

根据上述四条标准，证明了不存在同时满足这四条标准的直线参数化方式t和直线参数化方式c= ax+y， a∈-a0 ，a0不但满足唯一性、有界性和递归性标准，而且可以获得均匀性标准的最优近似。

A Fast Evaluation Method for Flatness and Straightness Tolerance by Means of Incremental Algorithm;2. Research on Regular Polygon Continuous Forming Principle and Mathematical Model Based on Straightness Constraint Condition

直线职能制：以直线制为基础，在厂长领导下设置相应的职能部门，实行厂长统一指挥与职能部门参谋、指导相结合的组织结构形式。

Results:There was a positive linear correlation between the mini cross sectional area of femoral n...

结果：股骨颈的最小横截面积与身高成正的直线相关，直线回归方程为：y＝－ 1144 。60 ±11 。25x 。

First, the partial observability of target parameters when a single observation station moves with uniform velocity and the target moves with a uniform acceleration in the straight line is proved in theory.

首先在理论上证明了目标作匀加速直线运动，单观测站作匀速直线运动时的目标参数的部分可观测性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。