Key Laboratory of Engineering Dielectrics and Application of Ministry of Education;
Harbin University of Science and Technology;
Harbin 150080;
People’s Republic of China;
No.703 Research Institute of CSIC(China Shipbuilding Industry Corporation);
Harbin 150078;
People's Republic of China;
Yunnan Electric Test&Research Institute Group Co.;
Ltd.;
Kunming 650217;
People's Republic of China;
efficient; boundary; condition; discharge; current; propagation; velocity; threshold; value; low; temperature; and; sub-atmospheric; pressure;