The fetal heart sound transducer is a Key component of the deliverymonitor. The main problem with traditional transducers is their low anti-interference ability.
胎儿心音换能器是分娩监护系统中的关键部件，目前使用的胎心音换能器的主要问题是抗干扰能力差。
2
By increasing poor clients' choice and participation in service delivery, so they can monitor and discipline providers.
增加贫穷的服务对象对提供服务的选择和参与，这样他们就能监督和约束服务提供者。
3
Researchers can peer inside for easy delivery of the therapy and to monitor progress, and the other, untreated eye is the perfect experimental control.