The element hydrogen comprises 90 % of the matter in gaseous nebulae.

元素氢占气体星云物质的百分之九十。

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The protector (200) has recesses (210 and 220) for accommodating those wrinkles (92) of the aluminum-laminated film (90), which are formed at the corners of the electrochemical element (100).

保护器(200)具有用于容纳铝复合膜(90)的那些褶皱(92)的凹槽(210和220)，所述褶皱在电化学元件(100)的拐角处形成。

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The element hydrogen comprises 90% of the matter in gaseous nebulae.

元素氢占气体星云物质的百分之九十。

youdao

IAEA-led team was fanning out in western Georgia in search of the remaining two of a batch of eight abandoned devices containing strontium-90, another radioactive element, which had been used in generators for communication stations.

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However, it has added a further element to the referee's pre-match ritual with officials now needing to test the system 90 minutes before every match to determine whether the technology is working as expected.

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