?? ????“??????????”
![](http://n.sinaimg.cn/news/1_img/upload/299fd2ed/192/w1024h768/20181006/PNuf-hkrzvkv9201581.jpg)
????:1???????????:????
2?????????
3??????????
4????????????
5??????200??500
???????????????2?????13????????????? (?????? ???????)????????????,????????????,??,??,????
???????????????????????????????????????????????????????13????????????
?1967??,??“????????????”??????????,???????,??????????,?????
???????????????????????,??????????????????????????????,???
??????,??????????????50GPa????,????????????????????????“???”???????????????????????,??,????????????
???????????????,????????,???????????????????
??,??????????????????????????,?????????????155±9GPa,?????40%????????????????????,??????????????????1100?,???????900??
??????????????,?????????????1.2????????????????????????,?????????????????????????,?,?????,?????????(?????????) ????:?????