Also important is the number of layers (Z-index) that can be placed on a Web page to accommodate the overflow of the expanded text and more intensive graphic images.

(z索引的)层次数目也是很重要的，这些层可以放在Web页面上用于调整扩展文字和更密集图形图像的溢出。

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Through DOM scripting and the use of the CSS z-index property, you can simulate dialogs for a Web page.

通过使用dom脚本和CSS z - index属性，您可以模拟某个web页面的对话框。

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The results indicated that the resilience capability index Z is high in eastern China and low in western China.

结果表明：我国灾后恢复能力指数Z值呈现“东高西低”的地域差异；

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He and his team computed z-scores for each variable and country, and averaged them to create the Workers Utopia Index.

FORBES: Introducing The Workers Utopia Index