The speculation on this began in late 2003, coinciding with the beginning of upgrade training.

认为这是在2003年底开始，并同时开始了换装训练。

youdao

They also cover technology upgrade and integration, prototyping, testing, Fielding and training.

他们还包含技术升级和整合、原型、测试、部署和培训。

youdao

He has promised to boost target police Numbers from 183, 000 to 205, 000 over three years, upgrade their training and make it easier for them to use lethal force.

他承诺在三年内将现在的183,000名警察增加到205,000名。并且加强对他们的训练，便于他们使用一些带有杀伤性的武器。

youdao

She says it also will pay for shelter for homeless families, clean water and training to upgrade skills for people without jobs.

VOA: standard.2009.09.13

The UNESCO-UNEVOC International Centre for Technical and Vocational Education and Training (UNESCO-UNEVOC) assists UNESCO's 195 member states strengthen and upgrade their technical and vocational education and training (TVET) systems.

UNESCO: ALADIN By Type of Parent Organization

Novak is also emphasizing training at the counter and is pushing his restaurants to upgrade equipment and food.

FORBES: Magazine Article

Some just get technical training, get a job and then come back maybe five years later to upgrade their skills or adapt them to a new business.

WHITEHOUSE: Discussing the Economy in Des Moines