HSK 7-9
假定
jiǎdìng动
to assume; to suppose; supposed; so-called
假定人口不变再计算比例。
Jiǎ dìng rén kǒu bú biàn zài jì suàn bǐ lì.
Assume the population is unchanged before calculating the ratio.
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Appears across levels (7-9) in the HSK 3.0 word list.