For example, dependency properties often have default values or values that are provided by a parent element.
例如，依赖项属性通常具有默认值或具有由父元素提供的值。
If the object has animated dependency properties, the base (non-animated) value of those properties is copied.
如果对象具有经过动画处理的依赖项属性，则复制这些属性的基(未经过动画处理的)值。
If the object has animated dependency properties, the base (non-animated) values of those properties are copied.
如果物件具有动画相依性属性，则会复制这些属性的基底(非动画)值。
The purpose of dependency properties is to provide a way to compute the value of a property based on the value of other inputs.
依赖项属性的用途在于提供一种方法来基于其他输入的值计算属性值。
If the object has animated dependency properties, the current animated value of those properties is copied, but the animations are not.
如果物件具有动画相依性属性，则会复制这些属性的目前动画值，但不会复制动画本身。
If the object contains dependency properties with expressions (such as a data binding), the current value of the expression is copied but not the expression itself.
如果物件包含具有运算式(例如资料系结)的相依性属性，则会复制运算式的目前值，而不是运算式本身。
This topic describes read-only dependency properties, including existing read-only dependency properties and the scenarios and techniques for creating a custom read-only dependency property.
本主题介绍只读依赖项属性，包括现有的只读依赖项属性和创建自定义只读依赖项属性的方案和方法。
Dependency Properties Overview.
依赖项属性概述。
Dependency properties should generally be considered to be public properties.
相依性属性通常应该视为公用属性。
Dependency properties for this control might be set by the control's default style.
这个控制项的相依性属性可能由控制项预设样式设定。
Dependency properties for this control might be set by the control's default style.
这个控制项的相依性属性可能由控制项预设样式设定。
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