Lexical analysis of the main tasks are: to scan source code character by character from left to right, resulting in one word (Token), also check the source of lexical errors.
词法分析的主要任务是：从左到右逐个字符地扫描源程序，产生一个个单词(Token)，同时检查源程序中的词法错误。
The Good: I really like the idea of stumbling onto news, and the ability to quickly scan headlines about a given topic without knowing the source eliminates our media loyalties.
优点：我真的喜欢新闻绊脚石的想法，并且能够快速扫描对一个给定的不知道来源的主题的大标题，消除了我们媒体忠城。
You can quickly scan the headlines or select one to see an excerpt, the source of the story or a list of related topics.
您可以快速扫描标题或选择一个去看它的摘录，故事源或一组相关主题列表。
It is easier to describe this in detail using the explain output shown in Listing 7. Sequential scan is done on the source table, and index look-up is done on the target table.
可以很方便地利用清单7中展示的explain输出来描述其细节，可以对源表进行顺序扫描，并且在目标表上完成索引查找。
The Distributed Scanner program scans the source files that are identified in the scan roots.
DistributedScanner程序扫描根目录中所识别的源文件。
So far over 8000 defects have been fixed by open source developers looking at the Scan results.
到目前为止，开源的开发者通过查询s can上的结果，已经修复了超过8000个的缺陷。
Coverity have been running a project called Scan for two years with funding provided by the Department of Homeland Security in line with its own objectives to harden open source apps.
Coverity最近两年一直在运作一个叫Scan的项目，此项目主要的资助来自于国土安全部，目的是优化开源软件程序。
A static scan can be performed by developers who scan the source code directly in the development environment.
静态扫描可用于开发人员在开发环境中直接扫描源代码。
Consider building custom event correlation systems to scan for anomalies, perhaps leveraging open source tools such as Esper.
考虑构建定制的事件关联系统，用来扫描异常，或者考虑利用开源工具，比如Esper。
The interlaced output from the source of interlaced material 50 is supplied to an interlace to progress scan converter 70 to generate a progressive scan signal.
来自所述隔行素材源50的隔行输出被提供到隔行到逐行扫描变换器70，以便生成逐行扫描信号。
However, this algorithm does not apply for circular orbit cone-beam scan with line-focus X-ray source.
但是，这种算法不能满足线X射线源圆轨道锥束扫描的情况。
The editor can scan open source files for preset words in the comments.
编辑器可以在打开的源文件中扫描注释中的预设词。
Because compiler scan program with static order of program, not dynamic order. while using compiler, compile source program only one time, run more times.
因为编译是按程序的静态顺序线形扫描程序的，而非动态顺序重复翻译，使用编译程序时，只需对源程序编译一遍，以后每次只运行目标程序。
Source enthusiasts Note: If you set a wide range of port scan, the program may be suspended animation.
源码爱好者注：如果设定的端口扫描范围较宽的话，程序可能出现假死。
Always scan a floppy diskette from an unknown source for viruses before using it.
在使用未知来源的软盘前，先进行病毒扫描。
Here, a source of interlace material 50 and source of progressive scan material 60 are provided.
在这里提供了隔行素材源50和逐行扫描素材源60。
Unit of controlling scan mode selects whether visible light source or infrared source is activated.
扫描模式控制单元控制该扫描模块选择性地激活该可见光源与该红外光源以进行扫描。
In the CPS (Compact Prototyping System) stereolithography apparatus, the UV light is used as a light source, and the optic fiber transmits the light to the resin surface to model while scan.
光固化成型系统中，以紫外灯作为光源，通过光纤传输紫外光到液面，进行扫描成型。
In the CPS (Compact Prototyping System) stereolithography apparatus, the UV light is used as a light source, and the optic fiber transmits the light to the resin surface to model while scan.
光固化成型系统中，以紫外灯作为光源，通过光纤传输紫外光到液面，进行扫描成型。
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