It can be add protection circle to increase protection grade: IP54.

可另加防护圈，提高防护等级为IP54。

youdao

Thus it is in accordance with the Dharma and seems to form a protection circle around the mandala of Medicine Guru Buddha in the center.

如此就与佛法相吻合，而且看起来就像是在保护环绕在其中间的药师佛坛城。

youdao

Inside that circle a wholesome, tacit emotional feudalism develops: you give me protection, I'll give you fealty.

在这个圈子里一个有益健康的、心照不宣的传统情感的建立：你给我保护，我回报忠诚。

youdao

The Safe Stoves project shows a virtuous circle in action, thanks to technology -- environmental protection, improved safety for women, access to clean energy for the poor, enhanced climate security.

UN: Secretary-General

And that goes for not just Colonel Qaddafi but those around him who -- the circle of people in the regime around who make up the protection that keeps him in power.

WHITEHOUSE: Press Briefing