timekeepers

Then-President Lyndon Johnson signed legislation requiring official timekeepers to move their clocks forward an hour each spring and back an hour every fall.

当时的总统林登·约翰逊签署了此项法案，要求官方计时员在每年春季开始时调前一小时，每年秋季结束时调后一小时。

Timekeeping by hand reflects the characteristics of the complex psychological activities in the process of human advanced nerve behaviour. This article analyses the three stages of the psychological characteristics of timekeepers at work: the probationary period of reaction;

人工计时反映了人的高级神经活动过程中伴随着复杂的心理活动的特征，本文分析了计时员在临场心理特征的三个阶段即：反应的预备期；

The organizing committee will arrange the official timekeepers and staffs along the route.

赛事组委会将于赛道沿线设置裁判和工作人员.

There are up to seven officials, including the referee, two goal judges, two timekeepers and two secretaries.

最多可达7名裁判人员，包括一名主裁判、两名球门裁判员、两名计时员和两名记录员。

In addition, for facilitating the operation of matches, several timekeepers, caller announcers, record keepers, and score supervisors shall be appointed.

为使比赛顺利进行，将指定计时员、分员、录员数名和分数监督员。

A study on the classification system of timekeepers in ancient China

关于中国古代计时器分类系统的探讨

Marathon regulations require that the timekeepers provide timings every 5km and at the half-marathon point.

马拉松比赛规则要求计时员在赛跑进行每5千米和赛程进行一半时要报时。

The Score Supervisor will keep a separate record of the scores awarded by the Referee and at the same time oversee the actions of the appointed timekeepers and scorekeepers.

分数监督将另外记录主审所判给的分数，同时监督指定计时员和计分员的操作。

OMEGA's official timekeepers ensure timely delivery of the official results to everyone involved in the competitions they support.

欧米茄的官方计时员身份使其可以确保向赛事各相关方及时提供正式赛果。

Both marathons will be tracked using the worldwide global positioning system: a GPS transceiver installed in a car just ahead of the leading runners will give the timekeepers precise information.

男女马拉松都用全球定位系统（GPS）进行跟踪。全球定位系统收发器安装在走在领跑者前面的汽车上，它为计时员提供精确的信息。