When used properly, they can be valuable training AIDS.

一旦正确使用，心率表可以成为有价值的训练帮手。

youdao

Motion pictures, slides, and CARDS were used as training AIDS.

电影、幻灯片和卡片被用作辅助训练的工具。

youdao

She doesn't have Rodriguez's training in the curriculum of behavior change, but she does have something that can be equally valuable - a history of AIDS and drug abuse.

她没有罗德里格斯有关行为改变课程的训练，但她有与之同等价值的艾滋病和药物滥用的历史。

youdao

He spent his bursary on footballs, cones, bibs and training aids essential to running the club and increasing the number of coaching sessions for the teams.

BBC: Bursaries for Unsung Heroes

"There are strong views for and against the use of electronic training aids, which a number of animal welfare organisations believe are cruel and unnecessary, " said Ms Jones.

BBC: Joan Andrews and Bonny

There are a number of different electronic training aids, including an anti-bark collar, remote control collars used to control any unwanted behaviour, electric shock training leads and electric boundary or "freedom" fences.

BBC: Joan Andrews and Bonny