固有时

固有時
gùyǒushí
  1. (relativity) proper time (time as measured by a clock following a timelike world line)
  2. proper time (time as measured by a clock following a timelike world line)

Wiktionary

Entry Composition

1 固有 gùyǒu
  1. intrinsic to sth
  2. inherent
  3. native
=2 时 shí old variant of 时 shí
=2 时 Shí surname Shi
=2 时 shí
  1. o'clock
  2. time
  3. when
  4. hour
  5. season
  6. period