우주선 내에서 승무원의 호흡, 맥박, 체온 등 생체 정보를 측정하고 기록하는 시스템.
An on-board bio-instrumentation system used in spacecraft to monitor and record physiological data such as heart rate and body temperature.
예문:
"The OBS detected a slight irregularity in the pilot's heart rate during the docking procedure."
"Engineers reviewed the data from the OBS to ensure the crew's health was maintained throughout the mission."