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15.1 Any naked eye with far vision lower than o.7 is not qualified.(1) a ship out of control;不能惹的河北诸侯一起仇恨汉国，否则此举将会十分危险。If I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.《爱与梦飞翔》并不是柯受良传奇，但剧中主角，却有柯受良的影子。一个渔村长大的小子，经历挫折成长，最终成为一位出色特技人。小葱有些明白师妹的意思了，故意讥嘲哥哥道：淼淼是说，葫芦哥比较含蓄和内敛，不像你那么大咧咧地张扬。