time clock

n.

出勤记录钟，打卡钟；

Time clock
Time clock
Time clock
SRC-3 coactivator functional lifetime is regulated by a phospho-dependent ubiquitin time clock
The TIME CLOCK® system: A new oral dosage form for fast and complete of drug after a predetermined lag time
Automatic remote time clock and employee location device
Implementing a distributed high-resolution real-time clock using the CAN-bus
Silicon Resonator Based 3.2 W Real Time Clock With 10 ppm Frequency Accuracy
Implementing a Distributed High-Resolution Real-time Clock by the CAN-bus
The effect of constant light and phase shifts on a learned time-place association in garden warblers (Sylvia borin): hourglass or ci...
Silicon Resonator Based 3.2 $\mu$W Real Time Clock With $\pm$10 ppm Frequency Accuracy
Real-time Clock Estimation for Precise Orbit Determination of LEO-Satellites
Real-time clock offset prediction with an improved model