The steps are tentative and yet to be felt in most classroom

这措施是试验性的,并且已经在大多数的教室中被感觉到了.
and 前后并列的 是 tentative 和 to be felt in most classrooms,不定式做状语,单独看句中不定式就是 The steps are to be felt ...
词组and yet 意为 但是
但这句话中 我翻译的把and 和yet分开看了.如果不分开,就翻译成“可是在大多数的教室中都被感觉到了”