The system has the ability to run more than one program at the same time.
该系统能够同时运行一个以上的程序。
Then, a computer system would often run one simple sequential program at a time, and nothing could interrupt it or vie with it.
那时，计算机系统通常在同一时刻只能运行一个单独的程序，什么都不能打断它或者与它竞争。
Once associated with a program entity, an attribute can be queried at run time and used in any number of ways (for example, help documentation).
属性一旦与程序实体关联，就可以在运行时查询它，并且可以以各种方式使用(例如，帮助文档)。
At run time, a factory object can generate a connection, locate the CICS server, and invoke the CICS program at the server.
在运行时，工厂对象可以生成连接、定位CICS服务器和激活服务器上的CICS程序。
The reason for this is that gprof works by instrumenting the program such that measurements are taken at fixed intervals of the program's run time.
其原因是 gprof仅仅是通过以固定的周期对程序运行时间 进行采样测量来工作的。
This example shows how to extend any Ruby class when you know the behavior at the time that you run the program.
这个例子展示了当您在运行程序时知道了该行为后该如何扩展Ruby类。
If you select download, a dmdiinst.exe file is downloaded to the client machine, and you can manually run the installation program via the executable at a later time.
如果选择Download，会将dmdiinst . exe文件下载到客户机计算机，您可以以后通过可执行程序手工运行安装程序。
If the empty bracket pair is omitted, it is an error, but an error that the compiler is unlikely to catch; the program may fail at run time.
如果遗漏了空方括号对，这是一个编译器无法发现的错误，将导致程序在运行时出错。
The ideal time to catch an error is at compile time, before you even try to run the program.
最良捕获错误信息的时机应该是在编译时，在运行程序之前。
Execution always begins at the first statement of the program. Statements are run one at a time, in order from top to bottom.
为了确保一个函数在首次被调用之前已经定义，你必须要之道语句运行的顺序，也就是所谓『运行流程』。
Often, a program will call for you to update the contents of status bar panels dynamically at run time, based on changes to application state or other user interaction.
经常会有程序要求您根据应用程序状态的更改或其他用户交互情况，在运行时动态更新状态栏面板的内容。
The effect of fetching a nonexisting element is undefinedwhat happens will vary by implementation, but the program will almost surely fail in some interesting way at run time.
由于取不存在的元素的结果标准没有定义，因而不同的编译器实现会导致不同的结果，但程序运行时几乎肯定会以某种有趣的方式失败。
Reflection is the ability for a program at run-time to get information about loaded type and assemblies.
反射是指一种程序在运行时能获得关于载入类型和集合的信息的能力。
A role is filled at run-time with a user or a program.
一个作用是填补运行与一个用户或程序的时间。
At run time, if the operating system is unable to load the program at that address, it issues an error message and does not load the program.
在执行阶段时，如果作业系统无法将程序载入该位址，它便会发出错误讯息而且不会载入程序。
At run time, if the operating system is unable to load the program at that address, it issues an error message and does not load the program.
在执行阶段时，如果作业系统无法将程序载入该位址，它便会发出错误讯息而且不会载入程序。
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