十亿分之一 (shí yì fēn) — one billionth (1/1,000,000,000)
뜻
Literally 'one part in a billion' (1/1,000,000,000). Used in science and statistics for extremely tiny quantities or probabilities — not for everyday measurement.
numeral
one billionth (1/1,000,000,000)
예문
- 十亿分之一。Zhè zhǒng huà xué wù zhì de nóng dù zhǐ yǒu shí yì fēn.The concentration of this chemical is only one billionth.
- 十亿分之一。Tā zhōng cǎi piào de gài lǜ bú dào shí yì fēn.His chance of winning the lottery is less than one in a billion.
- 十亿分之一。Kē xué jiā cè liáng dào shí yì fēn miǎo de shí jiān biàn huà.Scientists measured a time change of one billionth of a second.
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