This paper will analyze the primary problem and method of face detection, which based on two primary face detection patterns, and make a comparison between these methods.

本文将从人脸检测方法的两个主要模式出发，分析了当前人脸检测的主要问题和方法，并对这些方法进行比较。

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Crippling health care bills, long emergency-room waits and the inability to find a primary care physician just scratch the surface of the problems that patients face daily.

高昂的医疗费用、急诊室里漫长的等待，以及找不到初级护理医师，这些都只是患者每天面临的问题的冰山一角。

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There are several primary shapes that the human face appears in.

人类的脸型有很多种不同的形状。

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"Because these groups see the federal government as the primary enemy, and the government today has a face that is black in the form of President Obama, that has really radicalized portions of the movement.

VOA: standard.2009.08.17

As commuters increasingly displace Lance-a-likes as the primary face of cycling, fewer and fewer people are confusing rides to the grocery with the Tour de France.

WSJ: Lance Armstrong's Fall Has Created Backlash Among Cyclists Over the Bright Lycra Outfit

The primary winner will face either ex-gubernatorial aide Bill Hoppner, the presumed Democratic front-runner who lost the 1990 primary to Nelson by 42 votes, or former state Sen.

CNN: Republican Prospects Strong in Nebraska

That - you know, I'm a Republican here in Florida, and even though I'm talking about, really, the Democratic primary, let's face it, the Republican primary is over.

NPR: Florida Weighs Options After Breaking Party Rules