时下,各级党政部门,为了发展农村经济,从提高农民自身素质入手,常常举办各种各样的培训班,使农民掌握一门或多门的先进实用新技术。培训农民自然少不了讲课,但有些人给农民讲课时,开口是化学反应方程式,闭口是分子式结构。有的是深奥的农 Nowadays, in order to develop their rural economy, party and government departments at all levels often hold a variety of training courses so that peasants can master one or more advanced and practical new technologies from the perspective of improving their own quality. Training peasants naturally and ultimately lectures, but when some people give lectures to farmers, the opening is a chemical reaction equation, the closed is the molecular structure. Some are esoteric farmers