If it uses the words "Engineer"," Sabatour" or "Assimilator", it is referring to that specific unit. 如果特别指明“工程师”,“破坏者”或者“同化者”,那么是特指某一种单位。
Study group and central group all used some medicine, such as medicine of blood vessel dilator, promotive assimilator, and vitamine. 6. 试验组及对照组均用血管扩张剂、促吸收剂及维生素类药物。