When I actually put my diagrams into a persistent form using the tool will depend on other circumstances regarding how hard the diagram is to create and modify within the tool.

事实上，当我真正将我的图放入一个永久性表单中时，使用工具将取决于这个图在工作中被创建和修改的难易程度。

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The stereotype declares one or more fields, which together form the persistent identity of an instance.

模板声明一个或多个字段，它们一起构成实例的持久化标识。

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This is typically accomplished using some form of persistent storage.

这一般是采用某种形式的持久化存储来实现的。

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As plastic is a petroleum based product these small particles act as persistent organic polluters, which means that they form a sponge attracting toxins such as insecticides and pesticides.

CNN: STORY HIGHLIGHTS

And for the first time, plants using the worst chemicals--substances such as mercury, labeled persistent bioaccumulative toxins--would be able to use the short form, so long as they use less than 500 pounds of that chemical and release none into the environment.

FORBES: Toxic Neighbors?