每一章或每一节都是以这个系统及其操作的一般描述开始，并应称为“描述和操作"
A.Each Chapter or Section is to begin with a specific instruction of the system and its Operation and should be labeled "Description and Operation" B.A general description of the system begins with each Chapter or Section and its operation and should be labeled "Description and Operation** C.Each Chapter or Section is to start with a general description of the system and its operation and should be labeled" Description and Operation".正确答案C
