This new UL Recognizedcomponent Mark, which became effective April 1, 1998, may be used on components certified by UL to both Canadian and us requirements.
这种新的UL认可部件标记，成为四月一日起，1998年，可用于通过UL认证，加拿大和美国都要求组件。
2
If you wish, you can specify another presentation component as the active frame that can be recognized by the control component.
如果愿意的话，您可以指定另一个表示组件作为可以被控制组件识别出来的活动框架。
3
Ext JS has recognized this and added a good deal of updates to its most important component.