我们都有过这样的体会:手中抓一把沙子,当我们轻轻地握着时,沙子漏掉的并不多,而当我们用力时,沙子往往会从手缝中大量漏掉,并且,用力越大,漏掉的越多,剩下的越少,这是一个极其浅显的道理,生活中很多的现象都适用于这一规 We all had the experience of grabbing a handful of sand in our hands. When we gently hold it, there is not much sand left behind. When we use force, the sand tends to be largely missed from the hand seams, The greater the force, the more you miss, the less you leave. This is a very simple truth. Many phenomena in life apply to this regulation