Results: Cardiac Output (CO), Cardiac Index(CI), Stroke Output(SV) and Stroke index(SI) in two groups were significantly decreased when the sensory levels were finally distributed to T_6-S.

结果：两组患者心排血量（CO）、心脏指数（CI）、每搏量（SV）和每搏指数（SI）等指标在硬膜外阻滞平面固定后均有明显下降。

youdao

It can act as a graphical biofeedback device that cues you into the impact smoothing your pedal stroke and making small fit adjustments can have to your power output.

FORBES: Perot Systems CIO's Computerized Bicycle Trainer