时间测定学 shí jiān cè dìng xué

DEFINITIONS

  1. chronometry

CHARACTERS

时 shí
HSK 1
time, season; era, age, period
间 jiān
HSK 2
midpoint, space; place, locality
测 cè
HSK 5
measure, estimate, conjecture
定 dìng
HSK 3
decide, settle, fix
学 xué
HSK 1
learning, knowledge; school