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一一映射
yīyīyìngshè
1. bijective map (i.e. map between sets in math. that is one-to-one and onto)
2. one-to-one correspondence

Character Breakdown

一
yī
one; a, an; alone
HSK 1 1 丶
一
yī
one; a, an; alone
HSK 1 1 丶
映
yìng
to project; to reflect; to shine
HSK 5 9 丶
射
shè
to shoot, to eject, to emit
HSK 5 10 丶

Metadata

Category
Chinese