较近科学昌盛.愈繁赜则愈趋专精,愈专精则愈趋分化;向日独立之学科,至今已成概括的学问。如社会学本为社会科学中之一专门学科;近数十年来,研究社会学者,已更进一步而研究都市社会学,乡村社会学,教育社会学,犯罪社会学等等,其中尤以乡村社会学演进最速,因在世界几个大农业国家 The more recent sciences are prosperous, the more sophisticated they are, the more specialized, and the more specialized, the more differentiated; the discipline of independence to Japan has become a general knowledge. For example, sociology is a specialized subject in the social sciences; in recent decades, research sociologists have further studied urban sociology, rural sociology, educational sociology, criminal sociology, etc., especially in rural society. The fastest-paced learning has been achieved in several major agricultural countries in the world