The level of formality determine the precise mode of express ion.

不同的礼节程度决定所需的确切表达方式。

youdao

It follows that the compartmentalized ion distribution on the organ level is one of salt-tolerance mechanisms in cucumber plants.

可见，离子在器官水平的区域化分布是黄瓜植株耐盐性的重要机理之一。

youdao

Keep the lithium-ion battery cool. Avoid a hot car. For prolonged storage, keep the battery at a 40% charge level.

保持锂电池凉爽。避免很热的汽车，要想延长寿命，在40%的电量下保存。

youdao

If only both parties had found a way to plant their corporate flags across its back, the Ion would assume a greater level of visual majesty, akin to the minimally branded Galaxy Nexus.

ENGADGET: Sony Xperia Ion review: an Android handset with a split personality

As the battery explosions earlier this month demonstrate, the idea that these computerized controls would make the lithium-ion batteries safe for a plane flying 40, 000 feet above sea level filled with passengers is inadequate.

FORBES: MIT Professor: Battery Fix Could Ground 787 Until 2014

The level of concentration in water had a "negligible effect" on people's uptake of the fluoride ion - responsible for increased risk of fractures, they said.

BBC: Fluoride 'does not cause fractures'