单射

單射
dānshè
(math.) one-to-one function; injective map

CEDICT

math

Entry Composition

1 单 dān
  1. bill
  2. list
  3. form
  4. single
  5. only
  6. sole
  7. odd number

classifier: 個
=2 射 shè old variant of 射 shè
=2 射 shè
  1. to shoot
  2. to launch
  3. to allude to
  4. radio- (chemistry)