Today's smart phones have multiple layers of defense.

现在的智能手机都具有多层防御。

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Caching can be used on multiple layers within your portal.

可以在您的门户内多个层次上使用缓存。

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Think of multiple layers, movable objects, or 3d approaches.

想想如何利用多图层，可移动的物体，或者3d空间等。

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You might conclude that these features are evidence of multiple authorship a good deal of revision which points itself to a kind of composite structure different layers maybe, different sources.

所以这些特点会让你认为有很多作者,很多次的修改,会让结构看起来世合并而成的,不同的层次，不同的素材。

耶鲁公开课 - 旧约导论课程节选

Then multiple layers of U.S. and NATO military commands failed to catch the mistake.

CNN: EMBASSY FIASCO

It may well be the attentive, independent reader who can better understand its multiple layers.

WSJ: A.B. Yehoshua, Author of Mr. Mani, on the Limits of Imagination | Word Craft

The multiple layers of review at the Big Pharma company can be a waste of its own time.

FORBES: Can the Big Pharma Elephant Learn to Dance?