少了一个字!教科书中,惯性是这样定义的:“物体保持运动状态不变的性质叫做惯性.”(经全国中小学教材审定委员会2001年初审通过,义务教育课程标准实验教科书,8年级物理第101页)或者“物体的这种保持原来的匀速直线运动状态或静止状态的性质叫做惯性.”(经全国中小学教材审定委 One word is missing! In textbooks, inertia is defined as follows: “The nature of an object to keep its movement state is called inertia.” (After passing the examination and approval committee of the National Primary and Secondary School Textbooks Examination and Approval Committee in 2001, the curriculum standard experiment textbook for compulsory education, 8th grade physics Page 101) Or “The nature of the object to maintain the original uniform state of linear movement or static state of inertia is called inertia.” (by the National Committee for Examination and Approval of Primary and Secondary Schools