Then we've just shown here, it's an accelerated frame of reference.

就像这里写的一样,它是个有加速度的参考系

耶鲁公开课 - 基础物理课程节选

The Welshman saw his opponent close the gap to just one frame at 8-7 before finally sealing the victory.

BBC: Ebdon holds off Drago

Lee opened up a 5-0 lead, but Selby suddenly found form to end the first session just one frame behind.

BBC: SPORT | Other Sport... | Snooker | Selby completes amazing comeback

It's often done in just one frame, and the audience is hardly aware it's happened says chief character animator Rex Grignon.

NPR: Making an Animated Escape to 'Madagascar'