版本：
文件：
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/css/ng-slider.min.css
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.blue.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.blue.vertical.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.plastic.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.plastic.vertical.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.round.plastic.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.round.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.round.vertical.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/img/jslider.vertical.png
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https://cdn.bootcdn.net/ajax/libs/ng-slider/2.2.6/ng-slider.min.js