For every object in the call flow, there can only be one other object connected to it.
对于调用流中的每个对象，只能有一个其他对象连接到它。
There can only be one source and one target in a drag, but there may be many drop candidates.
在一次拖放操作中可能只有一个源对象和一个目标对象，但是可能会有多个拖放候选对象。
Therefore, for every object in the call flow, there can only be one other object connected to it.
因此，对于调用流中的每个对象，都可以只有另外一个对象连接到其上。
Each instance, however, can only contain a single XML data tree — in other words, there can only be one root node.
然而，每个实例只能包含一个XML数据树结构—换句话说，只能有一个根节点。
They claim that, according to UCP 500, there can only be one date on the bills, which accordingly is also the actual sending date.
他们主张，根据UCP500，提单上只能有一个日期，因此也是实际的发运日期。
There can only be one transition out of the initial state, and the operation specified for this transition should only be used this once.
初始状态传出的转换只能有一种，而且为此转换指定的操作只应使用这一次。
As always in the World Cup, there can only be one winner and only time will tell whether this time round it's the octopus or the parakeet.
所有的世界杯比赛，只有一个冠军，那么就让时间来证明，这场比赛的预测到底谁会赢，章鱼还是鹦鹉呢。
Since a project is a logical breakdown of a similar set of functionality, there can only be one test datastore for each Rational test project.
由于一个项目是类似功能集的逻辑分类，因而每个Rational测试项目只可以有一个测试数据存储库。
On the one hand, there are tiny microbes and they can only be seen through a microscope.
一方面，有微小的微生物，只有在显微镜下才能看到它们。
And we need to know that the document can list multiple persons (but nothing will go wrong if there is only one, who can be referred to as either addressbook.person or addressbook.person [0]).
而且我们需要知道该文档可以列出多人(但是，如果只有一个人，他可以作为addressbook . person或addressbook . person[0]来引用，那样也不会发生错误)。
There is only one limitation to what can be cached — the item must be an object.
对于什么可以被高速缓存这个问题只有一个限制—这个项必须是一个对象。
It is important to understand that there can be only one state setting for a given test asset.
对于给定的测试资产只能设定一种状态，理解这一点非常重要。
All three techniques can be used in the same website; there is no need to restrict yourself to only one model.
以上的三种技术可以在同一网站的开发中使用；开发人员没有必要将自己局限于某一种开发模型。
Unable to increase production - land is limited and there can be only one harvest a year - Bordeaux's leading producers focus relentlessly on quality.
无法增加产量——土地的限制，一年只有一次的收成——波尔多葡萄酒主要的生产者们不停的把焦点放在了质量上。
There can be only one root node and all others nodes have to be organized in a hierarchical form.
只有一个根节点，所有其它节点都必须以分层形式来组织。
For example, interconnecting wind farms that are only 100 to 200 miles apart can compensate for hours of zero power at any one farm should the wind not be blowing there.
例如，相距仅100到200公里的成组风力田可以弥补其中某一块由于无风导致的几小时的零产出。
This means that there is only a single pool of users and groups in the LDAP directory to work with and that there can be only one set of super Portal administrators.
这表示在LDAP目录中只有一个单独用户池和组可以处理，并且只能有一组超级门户管理员。
Implementing leveraged growth tactics can be deeply challenging, especially since there are only a limited set of companies that one can look to for examples of how to put this into practice.
执行杠杆型增长战略是个很大的挑战，尤其是目前仅有少数几家公司，可作为范例供大家参考。
Since there can be only one un-caught handler per process active at a time, the constructor should be invoked only once; hence, the reason for the singleton pattern.
因为每次只能有一个未捕获的处理程序处理一个活动进程，构造函数应该只被调用一次，因此要采用singleton模式。
In that case, there is then only one (presumably closely guarded secret) valid password that can be sent from WebSEAL.
在这种情况下，能够从WebSEAL发出的有效密码只有一个(大概接近于受保护的机密)。
One easy way to handle updates is to have a field appear in a given Notes document that can only be there if a user has edited the document via the form.
处理更新最简单的一种办法是设置一个字段，如果用户通过表单编辑了文档，就让该字段出现在给定的Notes文档中。
That way, you can always find the right volume to install Linux from since there will only be one volume available at this time.
这样一来，您总是可以找到要安装Linux的卷，因为一次只有一个卷可用。
ServerA: The instance-owning machine (there can be only one instance-owning machine), where ServerA is the actual hostname of the machine.
实例所在的计算机（最多只能有一台驻留实例的计算机），其中 ServerA是这台计算机的真实主机名。
I can only hope with all the world's warriors gathered against us there might be one down there who's up to the task.
我只能希望全世界的勇士，都聚集起来对抗我们才可能有一个在那里，完成这个任务。
There can only be the One Truth even although it can be expressed in a number of different ways.
即使是以百种不同的方式去表达也依然只有一个“真理”存在。
There is only one nonlinear element in these circuits and it is very important to realize this nonlinear resistor that chaotic of these circuits can be illustrated.
该类电路中仅含有一个二端非线性电阻，该电阻的实现成为研究电路中的混沌现象极为重要的一个方面。
But there is only one way the broken pieces can be organized to make a glass.
但是碎片要重新被组装成一个杯子却只有一种方式。
There are such things as tunable lasers, which can be adjusted to produce several different colors, but even they can emit only one color at a time.
有一些可调的激光器，它能被调整以发出几种不同颜色的光，但每次只能发出一种颜色的光。
Now there is only one CD-ROM can be re-used , and most of the CD-ROM can only accept a one-time record.
现在只有一种光盘可以重复使用，而大部分的光盘都只能接受一次性记录。
Now there is only one CD-ROM can be re-used , and most of the CD-ROM can only accept a one-time record.
现在只有一种光盘可以重复使用，而大部分的光盘都只能接受一次性记录。
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