The sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.

交感肾上腺系统不能维持直立位的脑灌注压。

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The stratospheric nacelle attitude control system is the key technology in keeping position stabilization and posture adjustment.

气球吊篮姿态控制系统是吊篮在空中保持姿态稳定、进行姿态调整的关键部件。

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The system can be used not only for clinical gait analysis, but also as a detection platform for other research related to human motion and posture.

该系统不仅适合于临床进行步态分析，而且也可用作其他与人体运动姿态有关研究的检测平台。

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Most children with MND had abnormal muscle tone and posture, an indicator of nervous-system dysfunction in young children, which is linked to learning and behavioral disorders such as ADHD, researchers said.

WSJ: Predicting Carpal Tunnel Syndrome

There was one snag: The system wasn't finished but IBM's aggressive posture had essentially frozen CDC's sales (sounds like the vaporware tactics that Microsoft is often accused of).

FORBES: Beset by lawyers

Rival radiology clinics sued when CareCore refused to recommend upright MRIs, a new system that allows patients to be positioned in weight-bearing posture to see what might be causing them pain.

FORBES: New York Case Shows Conflicts In Managed Care