The human face tracking procedure for face recognition to track positioning direction.

说明：本程序为人脸追踪，适合人脸识别追踪定位方向。

youdao

Local workmen were blasting the rock face beside the track in order to make it wider.

当地工人正在用炸药炸开小路旁边的岩石面以便将其拓宽。

《柯林斯英汉双解大词典》

She won millions of dollars at blackjack by keeping track of the aces and face cards played.

通过跟进已打出的幺点和花牌，她在21点上赢了数百万美元。

《柯林斯英汉双解大词典》

Now pubs not using plastics on busy nights would face a fast track review of licensing conditions which force their use full time, police said.

BBC: Nottinghamshire pubs warned to use plastic glasses

Under the special conditions to overcome (the consequences of) the division of Germany, our country needs to be put on the track to face the challenges of the 21st Century.

BBC: Call for elections: Full text

Four are on trial in a specially-convened fast-track court and face the death penalty.

BBC: 'Raped' Delhi five-year-old in a critical condition