非常高兴,张铨老师能关注本人写的《实心尾、空心尾与剩余浮力》一文,并写了《再谈实心尾、空心尾与剩余浮力》刊登在本刊2005年第4期上。就文中张铨老师提出的几个问题我认为有必要再讨论一下。1.浮力是怎样产生的?是物体浸入水中、排开了一定体积的水,是水对物体产生了向上的 Very happy, Teacher Zhang Quan can pay attention to I wrote “solid tail, hollow tail and residual buoyancy,” a text, and wrote “talk about solid tail, hollow tail and residual buoyancy” published in the 4th issue of this issue. On the several questions put forward by Teacher Zhang Quan, I think it is necessary to discuss it again. 1. How buoyancy is produced? Is the object immersed in water, lined up a certain volume of water, water is generated on the object up