寻找新的用途陈勇当今社会，人们的衣、食、住、行无不与各种各样的大小发明息息相关。有许多发明已很成熟和完善，发明者是否还需要对现有发明进行改进革新呢？大家知道，望远镜的发明已３００多年了，它不论是在观察天体星球运动，还是在军事、科技领域都发挥了巨大作用... Looking for new uses Chen Yong In today's society, people's clothing, food, shelter and everything is closely related to a wide range of inventions. There are many inventions that have matured and are well developed. Do inventors still need to make innovations in existing inventions? We all know that the invention of the telescope has been for more than 300 years, and it has played a great role both in the field of military affairs and science and technology, both in observing the orbital movement of stars.