1999年 12月 30日凌晨 ,中科院等离子体物理研究所ＨＴ 7超导托卡实验取得新突破 :获得稳定可重复的准稳态等离子体 ,等离子体放电时间长达 10 .71ｓ。据悉 ,这次等离子体放电时间超过 10ｓ是我国的最新记录 ,而且它可以演示超过等离子体能量、粒子等多种特征时间 10 0倍以上的 On the morning of December 30, 1999, a breakthrough was made in the HT 7 superconducting Toka experiment at the Institute of Plasma Physics, Chinese Academy of Sciences: a stable and repeatable quasi-steady-state plasma was obtained, and the plasma discharge time was as long as 10.71s. It is reported that the plasma discharge time of more than 10s is the latest record in China, and it can demonstrate more than plasma energy, particles and other characteristics of more than 10 times the time