2. The tuition fee for science and engineering graduate students is 4500-6000 USD/year. The cost of studying in Russia is basically around 50,000 RMB/year. School: St. Petersburg State University (/view/114381.htm) and St. Petersburg State University of Technology (/view/14/947.htm) are recommended to be located in St. Petersburg. Introduction to St. Petersburg on environmental links (/view/250738).
3. Application conditions: Russia's threshold is not very high. When you graduate, you must have double certification of graduation certificate and degree certificate transcript. If you want to apply for a good school, language ability is the key to this.
Therefore, to sum up, the cost of studying in Russia is low, the teaching quality is world-famous and the admission threshold is low. The only difficulty is language! If you learn the language well, you can go to a good school!
I hope it helps you!