The position of the face can initialize the parameters of face tracker to realize fast face tracking and video object coding.

用检测到的人脸位置来初始化跟踪算法实现快速人脸跟踪；

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He carefully observed the shrug of one man's shoulders, the position of another's hands, the scowl on one face and the frown on another.

他仔细观察一个男人的耸肩、另一个人手的位置、一个人脸上的怒容和另一个人的皱眉。

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He leaned forward, judging the position of the lamp chimney by the heat on his face.

他探出身去，根据脸上受到的热量来判断灯罩的位置。

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With each changing minute, an electrical pulse generates an electromagnetic field that changes the position of the crystals on the face of the watch, to elegantly display the passing time, while producing a distinctive sound unique to the Phosphor Reveal digital watch line.

ENGADGET: Phosphor's Reveal wristwatch uses Swarovski crystals to tell time, bedazzle you

Van Praag is now in the uncomfortable position of being the public face of a firm that has been portrayed as Satan itself.

FORBES: Pranking Goldman's Lucas Van Praag

Others see its entry into the presidential race as a way to secure its position in the face of gains from the Salafists, who took the second-largest share of seats in parliament.

CNN: Brotherhood steers tricky currents of post-Mubarak Egypt