| 释义 |
石英钟shíyīngzhōng一种计时仪器,利用石英晶体的振荡代替普通钟摆的运动。石英钟具有很高的精确性和稳定性,每天误差可小于万分之一秒。{quartz clock; timepiece that replaces the movement of an ordinary pendulum with the vibration of quartz crystal, which is of high precision and stability, whose error can be less than one 10,000th of a second} |