A team of scientists now says that PrP plays a key role in maintaining myelin, a fatty substance that forms a sheath around nerves and helps transmit nerve signals.
目前，一组科学家说，PrP在供养髓磷脂中发挥重要作用，髓磷脂是多脂肪的物质形成的鞘，这个鞘存在于神经周围，用以传递神经发出的信号。
Entity transmission plays an important role in Internet programs due to its capacity of enabling to transmit or store object directly.
实体传输可以在网络中直接传递或者存储对象，因而在网络编程中具有很重要的作用。
The first and foremost role of the teacher is to transmit this sense-based process to students in such a way that it could be absorbed and borne by them.
教师的首要职责是以一种学生可以吸收和承担的方式将这种感知过程传递给他们。
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