fig4
![Biocompatible composite thin-film wearable piezoelectric pressure sensor for monitoring of physiological and muscle motions](https://image.oaes.cc/81958e4d-4f03-4fe9-8eec-8e042f340929/4974.fig.4.jpg)
Figure 4. Sensing mechanism of piezoelectric sensor with (A) bend-up and (B) bend-down conditions followed by releasing to the initial state before bending.
Figure 4. Sensing mechanism of piezoelectric sensor with (A) bend-up and (B) bend-down conditions followed by releasing to the initial state before bending.
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