你为什么会认为梳理打扮一类的置换活动常常是令人舒适的行为呢？
Why do you think displacement activities are so often comfort behaviors, such as grooming?
置换是理解的一种延迟或迂回，而另一方面，凝结则是理解的一种升华。
Displacement is a kind of delay or detour of understanding, and condensation, on the other hand, is a kind of distillation of understanding.
这个过程被称为“置换”，因为溶液溶解了原来的物质，并用等量的新物质取而代之。
This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.
语言的另一个特征是我们所说的“置换性”，这是任何形式的动物交流都不会表现出来的。
Another feature of language that's not displayed by any form of animal communication is what we call "displacement".
显然，那一天已经到来，由于这些感染的潜在威胁，膝关节置换等看似常规的手术现在要危险得多。
Apparently that day has come, because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.
显然，这一天已经到来，因为由于这些感染的潜在威胁，膝关节置换等看似常规的手术现在要危险得多。
Apparently, that day has come because seemingly routine operations such as knee replacements are now much more hazardous due to the looming threat of these infections.
我们需要弄清楚动物研究与祖母的髋关节置换手术、父亲的搭桥手术、婴儿的疫苗接种、甚至宠物的疫苗接种之间的联系。
We need to make clear the connection between animal research and a grandmother's hip replacement, a father's bypass operation, a baby's vaccinations, and even a pet's shots.
存在这样的裂缝，一个普通房屋里大约每小时会置换一次新鲜的室外空气。
Because of such leaks, the air in an average home was replaced by fresh outdoor air about once an hour.
我们有一位女性病人，她刚做完膝关节置换手术，正在康复中。
We had a woman patient who was recovering from a knee replacement operation.
锌置换了稀酸中的氢。
结果发现，铜固溶在钨中，并形成了置换固溶体。
The results show that Cu solubilizes in W and the substitutional solid solution is formed.
UML元素（变体选项）的置换
按照您的需要任意混合搭配置换和引用。
Feel free to mix and match substitutions and references as needed to get the scenarios that you need.
置换组是可兼容内容模型交换元素的机制。
Substitution groups are a mechanism for swapping elements of compatible content models with each other.
使用置换矩阵能够根据每对符号单独分配匹配得分。
A substitution matrix lets you assign match scores individually to each pair of symbols.
使用正则表达式、枚举、联合、列表和置换组的说明。
Explanation of using regular expressions, enumerations, unions, lists, and substitution groups.
这一节还展示了如何组织XML元素以进行置换。
This section also demonstrates how to group XML elements for substitution.
注意，正如同置换一样，域引用同样也是动态构成的。
Notice that, just as with substitutions, field references also populate dynamically.
布尔置换在密码体制的设计中有着重要的应用。
Boolean permutations have important applications in the design of cryptosystems.
其它的计数问题引导我们去研究置换群的轨道。
Other enumeration problems lead us to the study of orbits of permutation groups.
这使您能够在调试和更新您的测试时，快速的找到这些置换值。
This allows you to find substitution values quickly when debugging and updating your tests.
您不大可能在自定义开发的应用程序中看到很多此类置换。
You would not be likely to see very many of those permutations in a custom-developed application.
用于XML映射和业务对象映射的编辑器现在支持置换组。
The editors for xml maps and business object maps now support substitution groups.
由RMC所提供的三个不同的可变性模式是：贡献、扩展和置换。
The three different variability patterns supported by RMC are contribution, extension, and replacement.
在测试组件时，您可以选择可置换元素作为组件测试的输入。
When testing a component, you can select substitutable elements as input to a component test.
如何使用正则表达式(字符串范式)、枚举、联合、列表以及置换组？
How to use regular expressions (string patterns), enumerations, unions, lists, and substitution groups?
有时也需要输血、或血浆置换，后者是一种过滤血液的方法。
Depending on the severity of your anemia, a blood transfusion or plasmapheresis may be necessary. Plasmapheresis is a type of blood-filtering procedure.
尽可能地通风，以彻底用室外空气置换房间或泄漏区域的空气。
Ventilate as much as possible to completely air out the room or spill zone with outside air.
这一节还演示了如何将置换组与抽象元素结合使用，以便构建XML模板。
This section also demonstrates the use of abstract elements with substitution groups to build an XML template.
可以使用VMM的页面置换算法来选择要重新分配页帧的虚拟内存页面。
The virtual memory pages whose page frames are to be reassigned are selected using the VMM's page replacement algorithm.
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