Determining the interval is more complex than simply subtracting one time instance from another.
决定时间间隔不仅仅是简单地从另一个时间中减去一个时间。
In the second instance, the team experienced only one day of wait time.
在第二个实例中，团队只经历了一天的等待时间。
An SDO instance thus can only be contained by one container at a time.
因此一个sdo实例在同一时刻仅能被一个容器所包含。
An instance of a business state machine can be in only one state at any given time.
业务状态机的一个实例在任意给定时刻只能处于一种状态。
By the way, only one instance at a time can own a virtual IP address.
顺便提一下，一次只有一个实例能够拥有一个虚拟ip地址。
The database instance is taken offline for certain period of time within the maintenance window.
在维护窗口中，数据库实例会在特定时间段内被离线。
The first time an instance of a lazy association is traversed, a query is executed.
当第一次访问一个惰性关联的实例时，执行一个查询。
For a long time, for instance, AOL and CompuServe would not even exchange e-mails.
比如，AOL和CompuServe有很长的时间根本都不能互相交换电邮。
For instance, for the Date Time gadget, it returns the string up_color=green&up_firstDay=0.
例如，对于DateTime小部件，它返回字符串 up_color=green&up_firstDay=0。
With this setting, each time you open a folder, a separate instance of explorer.exe
在这种情况下，每次你移到另外一个文件夹时外壳都要调用 explorer.exe。 这种情况在你同时用两个窗格进行浏览时是不会发生的。
The reason: a new instance is created every time you invoke the create method.
其原因是，每次在调用create方法的同时，创建了一个新的实例。
Only a single Derby instance is allowed to access any given database at a time.
每次只允许一个Derby实例访问任何给定的数据库。
In this instance, the children have had great difficulty remaining quiet during library time.
例如，在这次事件中，学生们在图书馆内难以保持安静。
This query shows the time that the current instance was started.
此查询显示当前实例的启动时间。
Ted is a responsible person. For instance, he always completes his work on time.
泰德很负责任。譬如说，他总是能如期完成他的工作。
For instance, what time should you arrive?
例如，你应当什么时候到达？
The paper analysis and sort each instance of sampling start time.
文中对采样起始时刻的各种可能情况进行分析和分类。
Unfortunately, I don't have time to offer specific code in this instance.
在这种情况下没有时间提供特定的代码。
For instance, there was the practical matter of time.
比如，有一个时间的实际问题。
For instance, they can call you every time they reach their friend's house, instead of the other way round.
比如，他们每次到朋友家的时候给你打个电话，而不是其他的方法。
For instance, we use to hit the card system to raise student's time idea.
比如，我们用打卡制度来培养学生的时间观念。
The system sends a DRV_CLOSE message each time an instance is closed.
每次一个驱动实例被管理时，系统会发送DRV_CLOSE消息。
For instance, most of the office meetings are considered a waste of time.
比如，大部分的会议都被认为是浪费时间的。
Subtracts the specified date and time from this instance.
将这个执行个体减去指定的日期和时间。
Subtracts the specified date and time from this instance.
将这个执行个体减去指定的日期和时间。
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