官学与书院教育为中心: on the development of song's culture and education in guangxi
后备军: 1.(预备役军人) reserves2.(补充力量) reserve force 短语和例子产业后备军 industrial reserve army; industrial reserve; reserve army of labour; 海湾战争即将爆发时, 美国把后备军召集起来。 the reserve is called out in the u.s.a. when
工业后备军: industrial reserve forceindustrial revenue army