中国科学院、中国工程学院院士，是我国科学技术各个领域中的杰出代表。科学普及出版社最近出版了一套《心迹──中国院士实话实说》丛书。这套书以问答的形式，请一批院士发表对各类问题的看法。科学家的真诚与坦然，使我们很受教益，现从这套丛书中摘录几个片断，以飨读者── Chinese Academy of Sciences and Chinese Academy of Engineering are outstanding representatives in various fields of science and technology in our country. Popular Science Press recently published a series of “Hearts - Chinese Academy of Sciences to tell the truth,” series. This book in the form of question and answer, ask a group of academicians to express their views on various issues. Sincerely and frankly, scientists have benefited us so far. We are now excerpting a few pieces from this series to readers