This paper attempts to explain Planck constant. It proposes the definition of charge group.

对形成普朗克常数的原因给出一种试探性的解释。

youdao

As group leader, you should take charge.

你身为组长，应当负起责任来。

《新英汉大辞典》

The group made him in charge of reviewing all outgoing work for errors, giving his critical eye a purpose, with great results.

于是，他们利用他的这个才能，让他负责检查所有对外工作的错误，使他那双挑剔的眼睛有了用武之地。

youdao

Maximum,meaning the most. And ion,which is an atom or group of atoms with an electrical charge.

VOA: special.2010.05.30

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