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: 3.6424 secondsLongdo Dict -- https://dict.longdo.com/