1 ผลลัพธ์ สำหรับ -caesium clock-
หรือค้นหา: -caesium clock-, *caesium clock*

WordNet (3.0)
caesium clock(n) an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field

Time: 2.2849 secondsLongdo Dict -- https://dict.longdo.com/