什么是ISS（iss是什么意思网络上）

是稳态短路电流;

例句This decrease in cost allows researchers, hobbyists and even elementary school groups to put simple instruments into LEO or even having them deployed from the ISS.这一成本的降低使得研究人员、业余爱好者甚至小学生团队都可以将简单的仪器送入近