The sequence starts when a user requests a command (an application function) to be executed by interacting with a user interface object, in this case the main form of the application.
当用户请求命令（应用功能）时，序列通过与用户接口对象相互作用来被执行。
For example, hearing that the application is slow whenever someone works with a document of form Main may lead you to conclude that something about the code in that form needs work.
例如，如果听说只要某人处理Main表单的文档，应用程序就会慢下来，这可能让您得到下面的结论：需要处理关于该表单的代码的某些东西。
The bottom panel of the main GUI consists of buttons for adding or modifying employee records, for clearing the form fields of a panel, and for exiting the application.
主gui的下面那个面板中包括一些用来添加或修改员工记录、清空面板中的字段以及退出程序的按钮。
Specify the current application, the main form, and Create document for the default action.
指定当前应用程序、主表单和Createdocument为默认动作。
This paper introduces ADSL broadband access technology and its characteristics and main application form, and obtains that ADSL technology has very broad application prospects.
文章介绍了ADSL宽带接入技术及其特点和ADSL主要的应用方式，得出ADSL技术具有十分广阔的应用前景。
In this paper, we first analyze the stressing feature, resistance to vibration, scope of application, economic performance and developing prospect of main structural form.
本文首先比较系统的分析了各种结构基本型式的受力特点、抗震性能、适用范围、经济性能以及发展前景。
Main Task Fill in an application form to join the Birdwatching Club. Write a letter to explain why you want to join and how you can help them.
填一份申请表加入观鸟俱乐部。写一封信解释你为什么想参加及打算怎样帮助他们。
Duopoly competition, as the important form of market competition, contains the main contents of game theory. It is not only the jumping-off point of game theory but also the primary application.
双寡头竞争是市场竞争的主要形式，而且双寡头竞争已经包含了博弈论的主要内容，是博弈论早期研究的起点，也是博弈论在经济生活中的主要应用。
You can configure your application to shut down when the main form closes, or to shut down only when all forms close.
您可以设定应用程序在主要表单关闭时关闭，或是只在所有表单都关闭时才关闭。
Nowadays, demands of the professional scanners are increased in much more fields of application, linear scanning as the main form of conventional scanning scanners need to have a new breakthrough.
在各项工作领域对专业扫描仪的需求日益增加的今天，以线性扫描为主要扫描形式的常规扫描仪需要有新的突破。
By handling this event, you can add code that initializes the application before the main form is loaded.
通过处理此事件，可以添加一些代码，用于在加载主窗体之前初始化应用程序。
The "Main Functions" Column of the Application Form should be filled out in Chinese;
㈡《核准无线电发射设备型号申请表》中的主要功能栏必须用中文填写；
The "Main Functions" Column of the Application Form should be filled out in Chinese;
㈡《核准无线电发射设备型号申请表》中的主要功能栏必须用中文填写；
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