SPF isn't like a sunscreen power level, but rather what determines how long the sunscreen will last before you need to reapply it.

SPF并不说明防晒功效的等级，而是决定涂一次的防晒效果能维持多久。

youdao

The end result should be converted to sound power level.

最终结果均应折算至声功率级。

youdao

Sometimes we use it to describe the relative power level between things.

有些时候我们用以描述不同东西的相对强度。

youdao

They have a material that supplies electrons and a power source that lifts the energy level of those electrons.

VOA: special.2010.09.01

And with this low level power as we'll see, as I hinted before, comes a lot of fun, interesting, scary security implications.

我之前提到过，就是这么点权限，也能带来很多乐趣，还有一些安全方面的东西。

哈佛公开课 - 计算机科学课程节选

It had established Athens as a mighty and redoubtable naval power and it created an unprecedented level of artistic and cultural life even today known simply as Periclean Athens.

建立了雅典强大且令人敬畏的海军强权,而且催生了史无前例的,璀璨艺术与文化生活,甚至今日仍以伯里克利斯的雅典闻名。

耶鲁公开课 - 政治哲学导论课程节选

Critics of the nuclear power industry say the plant is unsafe to operate at any power level and should be shut down permanently and dismantled.

NPR: San Onofre Submits Draft Linked To Restart Bid

This database will provide updated information on where the TV white spaces are and the power level that devices would need to be restricted to if they wanted to use them.

ENGADGET: UK regulator wants white space wireless service in 2014, starts trials this fall

While a leveled up creature can be more than a match for a higher ranked card, the base power level of the higher ranks and rarity make them highly sought after.

FORBES: Guardian Cross Is Monster Collecting, Card Battling Fun