?? ????“??????????”
![](http://n.sinaimg.cn/news/transform/200/w600h400/20180807/kUVs-hhkusks7732974.jpg)
????:1?????????:?????????
2?????????
3???????????
4?????
5?51?????????
??2?????13?????????????????? (????????????????????????? ???)?????????????????????????,?????????????,?,?????
??????????????????????????13??,?????????????,???????????????155±9GPa,?????????????????????????40%??????????????????????????,?????????????1100?,???????900??
????????????1967????,????????????“???????????????????”?????,??,??,???????
???????,??????????????????????????????????????,???50GPa?????????,??“??????”??????,?????????????????,????????
??????????,???????????????,????????????????????????
????????,???????????????????????1.2???????????????????????,??????????????,??,????,????(?) ???????????????????:??????????