【名词&注释】
基本原理(basic principle)、矿物质(mineral)、粘结剂(binder)、结构胶(structural adhesive)、紫外吸收光谱法(ultraviolet absorption spectrometry)、电子能级(electronic energy level)、价电子、不饱和(unsaturated)、硬回车符
[单选题]The(1)is a general description of the architecture of a workflow management system used by the WFMC,in which the main components and the associated interfaces are summarizeD) The workflow enactment service is the heart of a workflow system which consists of several(2).
A. B