A pattern, also called marker, is a rectangular shape that you need to print and position in front of your camera.

模式(又叫做标记)是一个矩形，你用其在相机前打印和定位。

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The command facade pattern combines these two approaches by introducing a facade interface that sits in front of one or more command objects.

command facade模式通过引入位于一个或多个command对象前端的facade接口来合并这两种方式。

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In this pattern, external business partners interact with multiple back-end business processes through a single front-end application.

在这个模式中，外部业务伙伴通过单个前端应用程序与多个后端业务流程进行交互。

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And you can see this expanding rings of activity of stimulating, Cause a pattern of activities that move forward from the back of the brain to the front of the brain, in a very regular pattern which we call a visual field map.

眼睛在前面，指向这个红点，大家看到，刺激活动不断扩大的环路,引起一个活动的模式，从大脑的后不向前部移动，这一模式十分规律，我们可以称其为视觉分布图。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

You can call the front desk and ask how you can get some food by using the "how can I" pattern.

你可以打电话给前台，用 “How can I”句型询问你怎么样能买点吃的。

How can I 课堂 - SpeakingMax英语口语达人

Other design notes: that speaker grille up front has a funky circular pattern, which we're not really digging.

ENGADGET

At launch, the GS4 will be offered in Frost White and Black Mist, and both colors feature a cross-stitching pattern across the front and back.

ENGADGET: Samsung Galaxy S 4 review Mobile

But as one entrepreneur after another stood in front of the crowd making their case, a familiar pattern emerged, one that I recognize from regularly listening to investment pitches by New York based companies.

FORBES: Israeli Tech Meets New York and Reveals a Familiar Pattern