Some of these systems use radar to keep a car at a set distance from the one in front.

有些这种系统使用雷达让车子和前面的车子保持一定的车距。

youdao

Auto count Feature: Automatically "counts" how many times a pre-set distance has been rolled.

自动计数功能：自动“罪状”有多少次，预先设定的距离已经推出。

youdao

In medley relays, each swimmer swims one stroke for the set distance; the order is backstroke, breaststroke, butterfly and freestyle.

混合泳接力赛中，每位运动员以一种姿势游一定的距离，顺序依次是仰泳、蛙泳、蝶泳和自由泳。

youdao

Most of the new collection has racing-friendly complications: chronographs and tachymeters that measure speed over a set distance.

WSJ: The Face of Watchmaking's Future at SIHH and GTE

Between the blind-spot monitoring system, the active lane-keeping, the adaptive cruise control (maintaining a set distance to the vehicle ahead), and the "precollision" system, which uses internal cameras to monitor drivers' faces for signs of inattention, the GS350 is about as close to an automated auto as you'll find on the market.

WSJ: 2013 Lexus GS350 Review: Loaded With Everything but Thrills | Rumble Seat by Dan Neil

Goal: Set a distance, time or calorie goal and see progress toward that goal with simple, full-screen graphics and alerts.

ENGADGET: TomTom makes own-brand GPS sports watches, no Nike swoosh in sight (updated: details)