- One-to-one onto function is also called bijection .
- Two sets are said to be equivalent if and only if they can be placed in one-to-one correspondence .
- It is legitimate to envisage a more or less one-to-one correspondence between cloud nucleus concentration and the concentration of cloud droplets .
- It's difficult to see one-to-one in a sentence. 用one-to-one造句挺难的