查询词典 arc-weld

Compared with the invariant features of single parameter group, entirely global affine invariant features are more applicable, and chapter 4 introduces a new global affine invariant feature extraction method called EC-ARC, which is based on the invariance in affine geometry.

然后，提出了扩展质心(Extended Centroid， EC)和仿射区域划分(Affine Region Cutting， ARC)的新概念，并在EC和ARC的基础上，结合仿射几何性质，提出了构造具有完全仿射不变性的特征提取方法EC-ARC。

A unit of angular measurement equal to one sixtieth of a degree, or 60 seconds.Also called minute of arc

分：角的度量单位，等于一度的六十分之一，或60秒也作 minute of arc

Topology relation is set up with ARC/INFO, the map of SOTER units in Shandong province.

在建立山东省SOTER数据库系统时，主要应用ARC/INFO来建空间拓扑关系。

In Tennessee the limited imagination and education of the mountaineers has led to names like Arc, Aunt, Bee, Fry, Fly, Gum, Kate, Lucy, etc.

在田纳西州，登山者有限的想象力和教育已导致了像Arc、Aunt、Bee、Fry、Fly、Gum、Kate、Lucy等名字。

Bly was one of the first generation of clone commanders to be trained by the ARC trooper Alpha.

布莱是ARC士兵阿尔法训练的第一代克隆人指挥官之一。

The evolution process with the change of a non-dimensional variable about the cantilever, Arc shaped beam and S shaped beam is investigated in this paper.

（1）文中：Arc型梁和S型梁已不再是悬臂梁；S型梁的悬空长度随着梁的均布载荷的大小而变，不存在临界悬空长度；Arc型梁不存在临界长度。

This article detailedly expatiated upon the principles, contents and methods of cropland classification; it analyzed the necessity to combine the work of cropland classification with GIS technology, summarized the attributions of ARC/INFOand some other related softwares; it established the technologic route of cropland classification supported by GIS, by a case study in Liwu Town,Li County Hebei Province, this article expatiated the practicable mechanism of combining the function of ARC/INFO with the work of cropland classification, and put forward some new ideas and approaches of utilizing GIS: this paper put forward the idea of coding the polygons in the basic graphic database such as soil map and land use map according to their attributes, and put forward the detailed coding project; based on the code databases, it expatiated upon the detailed approaches to create single梖actor map and output the final classification map; it put forward the principles and the method of creating classification units in the environment of GIS, that is how to keep the lines of soil polygon, the border of districts and the important objects such as residential areas, banks of rivers and roads ,and how to overlap single梖actor soil map and land use map, and to delete some vector lines of the overlapped map appropriately; it detailed the methods of creating mathematic model of classification coefficients in the environment of computer, and used FOXPRO6.0 programs to realize the automation of calculating coefficients; it represented the method of plotting the final map by overlapping various coverages according to the code tables and lookup tables, the process of outputting the cropland classifying map was finished by program.

本文法对耕地等别划分的原则、内容及方法作了较详细的阐述，介绍了多系数综合修正法的耕地等别计算方法及其具体应用和AHP的确权方法；分析了耕地等别划分工作与地理信息系统技术相结合的必要性，简要介绍了地理信息系统软件ARC／INFO及其他相关软件的功能特点，制定了地理信息系统支持下耕地等别划分的技术路线，通过对河北省蠡县蠡吾镇的实证研究，重点阐述了ARC／INFO及相关数据库软件与耕地等别划分结合的有效机制及GIS应用的一些新思想、新方法：提山了对土壤图和土地利用现状图等基础图形数据库进行特征编码的思想和具体的编码方案，阐述了基于与图形库相链接的特征编码表，单因素图提取、成果图的输出的具体实现方法；提出了GIS环境下耕地单元划分的原则和方法，即在保留土壤因素图斑界线、行政界线和重要地物等的原则下，将土壤单因素图和土地利用现状图进行拓扑叠加，对叠加图中的矢量线进行适当的删除；阐述了在计算机环境下，耕地分等参数计算模型建立的方法，并用FOXPRO6.0语言程序实现了参数计算的自动化；阐述了根据图形库特征编码表和建立绘图符号查找表，按不同图层叠加绘制成果图的方法，该过程用命令程序实现耕地等别图的输出。

March 28, 1430 Joan of Arc (Jeanne d'Arc), according to trial testimony of the Inquisition; Joan of Arc was born in France's Champagne - Ardenne and Lorraine Regions boundaries called domremy rural, the father of Jacques · Duck, mother Isabella · Duck, there are three brother and one sister.

1430年3月28日贞德(Jeanne d'Arc)，根据宗教裁判审判证言；贞德出生于法国香槟-阿登大区和洛林大区边界一个叫做栋雷米的农村，父亲为雅克·达克，母亲为伊莎贝拉·达克，有三个哥哥和一个姐姐。

In this paper, the necessity of resource-sharing between Arc/Info and CorelDraw is discussed, and the method for constructing Graphics Database of Geoscience Transects in Arc/Info through the application of CorelDraw file is put forward.

文章探讨了Arc/Info与CorelDraw信息共享的必要性，并提出了运用CorelDraw基础图件，在Arc/Info系统下建立中国地学断面图形数据库的方法。

In geoscientific field, in order to apply the spatial analysis, inquiry and visualization functions of the Arc/Info software, so as to analyze geoscientific data and extract information from them, an important step is to load geoscientific information into Arc/Info.

在地学领域中，为了利用Arc/Info软件的空间分析、查询和可视化功能，以便对地学信息进行分析和提取，地学信息的导入是很关键的一步。

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。