If the rule is a visibility rule on a portlet, the code calling the rule is the portal server, and is not yours to alter.

如果该规则是Portlet上的可见性规则，那么调用该规则的代码位于门户服务器中，而您无法随意更改。

youdao

Properties of application objects can be profiled, used in visibility rules, or used as a value to match against in a selection rule.

应用程序对象的属性可以进行配置，可以在可见性规则中使用，或在选择规则中用作需要进行匹配的值。

youdao

The intersection visibility rule of a line and general plane was concluded and a new judge method on intersection visibility of them was also put forward in this paper.

它与用重影线法求直线与平面相交交点相结合，为直线与平面相交直线可见性判断提供了一种新方法。

youdao

The BBC spoke to two experienced pilots and one helicopter safety consultant, all of whom were unaware the 1km visibility rule applied in certain scenarios.

BBC: Vauxhall helicopter crash 'was preventable'