These were essentially professional associations that provided for the mutual aid and protection of their members, and allowed for the maintenance of professional standards.

这些基本上是为成员提供互助和保护，并允许维持专业标准的专业协会。

youdao

Privately owned water utilities will charge what the market can bear, and spend as little as they can get away with on maintenance and environmental protection.

私有的水处理设备的价格在市场可承受的范围内，维护保养这些设备以及环境保护的投入都尽可能的减少。

youdao

Must never use unknown protective agent, in order to avoid not only short of protection, which increases landscape stone maintenance problems.

决不可使用来路不明的防护剂，以免不但达不到防护效果，反而增加了景观石保养的困扰。

youdao

In accordance with the Burra Charter, Article 3.1, the project team adhered to the principle of sustainability, emphasizing that all programmes and action plans addressing the protection and maintenance of the Shalamar Gardens must be sustainable.

UNESCO: CULTURE

For easier maintenance, updates to the BIOS, drivers, and virus protection should be automatic, he says.

CNN: Technology - Intel: Make PCs simpler

And to ensure that protection lasts over the lifetime of the equipment, maintenance and testing should be performed on a system regularly.

CENTERFORSECURITYPOLICY: Center For Security Policy