毛主席教导我们:“任何运动形式,其中部都包含着本身特殊的矛盾。这种特殊的矛盾,就构成一事物区别于他事物的特殊的本质”“不同质的矛盾,只有用不同质的方法才能解决”。苹果的品种很多,但各品种生长和结果的矛盾,都具有特殊性,研究这种特殊性,并通过不同修剪技术来解决这些 Chairman Mao taught us: “In any form of movement, its central part contains its own specific contradictions, which constitute a special essence that distinguishes a thing from other things.” “Only with different qualities Method to solve ”. There are many varieties of apples, but the contradictions between the growth and the results of each variety have their particularities. They are studied in this particularity and are solved by different pruning techniques