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At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.

与此同时,醛、、酯基、、醛基等基团或者从无到有,或者官能团数量不断增加。

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birdlime, birdman, birdnesting, bird-nesting, bird-peck, birds, birdseed, bird's-eye, bird's-foot, birdshit,

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3G, 401(K), a,

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科学60秒-科学 2021年11月

By functional group I mean an alcohol group or ketone group or aldehyde group or acid group.

指醇基或酮基或醛基或酸基。

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bird-watcher, bird-watching, birdwoman, birdy, birdyback, bireactant, birectangular, birectification, birectifier, bireflectance,

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3G, 401(K), a,
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