?? ??????????“????”
![](http://n.sinaimg.cn/news/transform/200/w600h400/20190108/7mfi-hrfcctn9267191.jpg)
????:1????????????:??150???????
2???????????
3???150?????
4?????????
5???????????
???????????????2???????????13???????? (?????????????????????????? ??????)?,????????????,??,???
?????????????????????????????????????????????????????????13??,?,?????????155±9GPa,???????????????40%??????,?????????????????????????1100?,??????????????????900??
????1967??,????“??”???????,??????????????,??????????????,??????
??,??????????,??????????????????????????50GPa?????????????????,?????????????????????????“?????????????”?????????,????????????,???????????????????
?????????????????????????,???????,????????????????????????
???,??1.2???????????????????????????,????,??????????????,???,??????(????) ??????????????:????