A good pop-up blocker should be able to stop any undesired window that tries to open automatically, regardless to whether it is a pop-up or pop-under AD.
好弹起阻滞剂应能阻止任何不良企图打开窗口，自动不论是否有弹起或闪现在广告。
2
The website administrator is also trained in the ‘tagging’ required, at the data base level, to ensure your items ‘pop up’ under relevant search conditions.