查询词典 rectangular projection

The system can be used alone or be integrated into other GIS systems to enhance their map projection function. map projection ; map projective transformation ; analytical ordinal transformation ; analytical athwart transformation

在GIS应用系统中往往需要管理多种不同地图的地理数据，这些不同投影的数据在进行地理空间分析或信息复合时需要坐标同化，需要将不同投影的坐标统一到同一个坐标空间中，随着G

We may regard all directive projection information as constitution of two limited angle projection information.

在全方位投影信息情况下，我们可以把全方位投影信息视为两个有限角投影信息的组合。

An attacking mode of deflected bomb dropping was proposed based on its properties, i.e., there is an angle between the projection of the velocity and the projection of line-of-sight in the horizontal plane.

激光制导炸弹是一种无动力可控武器，根据这种特性，提出了偏转投弹的作战方式，即投弹时炸弹的速度在水平面的投影与弹目线在水平面内的投影存在一个夹角。

The common method for obtaining the angle of the plane figure to projection plane is through the right-angled triangle method after getting the double-face projection of the plane figure on the basis of the conception of maximum oblique line.

求平面图形对投影面的倾角，通常需要知道平面图形的两面投影，利用最大斜度线的概念，通过直角三角形法求得。

A vertical profile of the 3D wellbore trajectory is generally.The challenge is how to draw the actual wellbore trajectory on the vertical profile of planned well trajectory.A planned 3D well path profile is depicted using vertical depth and projection length,however,the actual wellpath profile is supposed to be drawn using vertical depth and apparent projection length.

三维井眼一般都绘制垂直剖面图，其难点就是怎样在设计井眼轨道的垂直剖面图上描绘实钻井眼轨迹的剖面线，由于三维井眼设计剖面图是用垂深与投影长度绘制，其实钻井眼轨迹剖面图应该是用垂深和视投影长度绘制。

This method was applied to the dimensionality reduction of multidimensional time series via projection pursuit technique for fuzzy clustering. According to the results of the classification and the extraction of fuzzy rules through best value projection, three types of fuzzy membership function were generated using trapezoid distribution method. Then the sample's credit level was determined according to the fuzzy approximability in computation.

该方法利用投影寻踪技术对多维时间序列数据进行降维处理并进行模糊分类；根据分类结果和最佳投影值提取模糊规则，采用梯形分布法生成三个模糊隶属函数；最后根据计算模糊贴近度确定样本的信用级别。

Based on the previous studies and combined with the national important scientific special item—the projection of water environment improvement and comprehensive demonstration in Suzhou city. The influence to water quality melioration under different conditions of packing types, stuffing rate, air supply and hydraulic loading using water of Miaojia river as experiment water sample; the water contaminate removal ability by the absorption and interception of charcoal filling and the research of the denitrification rate of charcoal filling were discussed in the paper. Furthermore, the activity of the biofilm on savageness and artificialness filling surface in the projection demonstration riverway were also analyses.

本人在总结前人研究的基础上，结合国家重大科技专项——苏州城市水环境质量改善与综合示范项目，研究了不同填料基质、填充率、曝气量、水力负荷条件下生物填料对苏州城市重污染河道水质的改善效果；木炭填料吸附、截留作用对水体污染物去除能力及其反硝化脱氮能力；分析了项目示范区河道内天然填料及人工填料挂膜成熟的生物膜活性。

The unsaturated and compacted soil triaxial test result under constant suction describes the unsaturated soil critical state surface in p-q-s three dimensional space: in p - q plane, the slope M of critical state line is independent of suction; the cross line of LC yield surface and critical state surface is a curve with extremum in three dimensional stress space, and its projection in p-s plane is located in quadrant 1 in triaxial compression state; its projection in q-s plane has asymptote, and there should also be asymptote in respect of the curve that stands for the function relationship between cohesive and suction.

基于局部变形测量的常吸力非饱和压实土三轴剪切试验结果，全面描述了非饱和土p—g—s三维应力空间中临界状态面的合理形态：在p—q平面，临界状态线斜率M是与吸力无关的物理量；临界状态面与LC屈服面交线在三维应力空间中是一条存在极值的曲线；该交线在p—s平面的投影曲线在三轴压缩应力状态下应位于第一象限；该交线在q—s平面的投影曲线应存在渐近线；反映凝聚力与吸力关系的函数曲线也应存在渐近线。

Its projections on the other two projection planes are shorter than its true length, and are all vertical to the axis of projection.

在另外两个投影面上的投影长度比实长短，且垂直于相应的投影轴。

Based on the prior art, the optical engine according to the invention has the improvements that, three optical axis steering components are respectively introduced into red, green and blue light illumination systems, and an optical axis lengthening structure is introduced into the green light illumination system, so that optical axes of the red, green and blue light illumination systems, each of which is from an LED resource to the optical axis steering component, are counterclockwise rotated for 90 degrees, parallel with each other, parallel with an optical axis of a projection lens, arranged in a same plane and positioned under the projection lens, luminous faces of three LED luminous chips of the red, green and blue light illumination systems are in a same plane, and the three LED luminous chips can be mounted on a same heat-radiating plate, therefore, the heat-radiating system has a simplified structure, and the optical engine has reduced size.

在背景技术所述的光学引擎的基础上作以下改进，在红、绿、蓝光照明系统中引入三个光轴转向器件和在绿光照明系统中引入光路加长结构，旨使：红、绿、蓝光照明系统各自的从LED光源至光轴转向器件部分的光轴朝逆时针方向转动90°、互相平行、与投影镜头的光轴平行、居同一平面和位于投影镜头的下方，红、绿、蓝光照明系统的三个LED发光芯片的发光面居同一平面，三个LED发光芯片可安装在同一块散热平板上，散热系统的结构简化，所述的光学引擎的尺寸减小。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。