Obviously, many departments of applied science are practical extention of pure theories and experiments. 十分明显,应用科学的许多部门都是纯理论工作和实验工作的实际延伸。
The theory on capitals of military human resources is an extention and development of human resources' theory in the military and labour field. 军事人力资本理论是人力资本理论在军事劳动领域的延伸和发展。