Recent Advances in High-Mobility and High-Stretchability OrganicField-Effect Transistors: From Materials, Devices to Applications.

这个标题里面的High-Mobility和High-Stretchability是什么词性？这是什么构词法？请教下大伙!

Recent Advances in High-Mobility and High-Stretchability Organic Field-Effect Transistors: From Materials, Devices to Applications.

都是合成名词。high 是形容词，后面的两个词是以 -ty结尾的名词，这个后缀表示“事物的性质”。