符号

Then the general algorithms of symbol drawing is introduced, a circulating block line entity drawing algorithms and a polygon entity fill algorithms based on seed fill are developed.

接着对地图符号在GIS系统中绘制空间实体的通用算法进行介绍，并在此基础上提出基于装饰模式的线符号的循环块算法和改进种子填充的面符号填充算法。

Results showed that the teaching assumption is supported by this study. Guided discovery and peer discussion are effective instruction strategies for symbolizing a proposition and finding symbolic rule of equivalence relation of dual propositions.

教学过程的观察记录显示在教师的导引与学生的小组讨论下，学生确可发现对偶命题等价并符号化，而在求等价命题的问题上，将原命题符号化再辅以符号规则是成功的关键步骤，教学假设获得支持。

And then takes the principal personae figures as concrete ensample, going deep into the advertisement symbols system, to study the meaning building mechanics of personae figures from microcosmic level, including the producing of meaning, the regulating of meaning and the transferring of meaning.

继而选用最典型的"主体性形象"作为具体案例，深入到广告符号系统内部，从微观层面上研究人物符号在特定的广告符号系统内的意义生成机制，包括意义的产生、意义的规约和意义的转移。

The film poster designed by the mostly utilization of the iconology from movie stars. Star adoring phenomenon which is reflected upon the graphic demonstration, which is the prevailing index for that periods.

琼瑶电影海报设计的符号运用以电影明星的肖像性符号为主流，将电影明星崇拜的流行现象，反映在电影海报图像设计的符号表现，是为时代流行指标的意义象徵。

Base on the analysis, an improved training symbol with symmetric and repetitive structure is proposed, and the estimate range of the frequency offset is enlarged by increasing the number of repetitive sequence and shortening the interval of repetitive sequence.

在此基础上，提出了一种改进的训练符号结构，即在SC算法重复结构的训练符号中引入共轭对称结构，同时通过增加重复序列的数目，缩小重复序列之间的间隔，进一步扩大基于单个训练符号的频偏估计范围。

The different symbols between GB/T4728 and MIL-STD in textbooks are picked out and some analysis and comments are made. It is shown that MIL-STD symbols have many advantages over GB/T4728 in vividness, intuitiveness, expressiveness, internationality and application widespread.

梳理出两体系中迥异的符号并进行分析评述，指出国际流行符号在形象性、直观感、表现力、国际性和应用广泛性等方面明显优于国标符号。

The recognition method of circuit drawing plotted by AutoCAD is proposed It uses the topological graph to describe the electrical symbol s drawing and adopts the isomorphic graph algorithm to recognize the electrical symbols, meanwhile,the circuit wires are also recognized It can recognize the circuit drawing automatically with high accurac

提出自动识别使用AutoCAD绘制电气原理图的方法该方法利用拓扑图表示电气符号，采用图的同构算法识别电气符号，并在识别出电气符号的基础上识别电路线该方法能够以较高的准确率自动识别电气原理

Right shifting a signed quantity will fill with sign bits ("arithmatic shift") on some machines and with 0-bits("logical shift") on others.

当右移无符号量时，左边空出的位用0填空；当右移有符号量时，左边空出的位或用符号位填空或用0填充

The paper discusses the mathematical symbol s origination, both their growth and features, and how these symbols play their roles in the development of mathematics as well.

论述了数学符号的产生、发展及数学符号的特点和数学符号在数学发展上的作用。

To reason with mathematical symbol language advances the innovative thinking.

通过数学符号语言展开联想，有利于数学形象思维的发展；正确运用数学符号语言，有利于数学抽象思维的发展；熟练运用数学符号语言推理，有利于数学创新思维的发展。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。