While for Russia, Transcaucasia is the traditional sphere of influence and strategic interests at stake region, which is the natural barrier to keep security and stability.

而对俄罗斯来说，外高加索地区是其传统的势力范围和战略利益攸关地区，是其维护自身安全与稳定的天然屏障。

youdao

One of main qualities of the Seminar was the combination of theoretic speeches, devoted to issues of the museum security sphere management, practical lectures, which described existent technologies, and equipment demonstration.

UNESCO: The Second International Seminar on Museum Security and Methods of the 1970 UNESCO Convention Implementation | United Nations Educational, Scientific and Cultural Organization

Professor Yitzhak Ben Yisrael, a military scientist who has advised the government on cybersecurity, said that the country had been working to protect its most vital systems in the security establishment and in the civilian sphere, including electricity, water and trains, for more than 10 years.

FORBES: Cyber Attacks Take Down Two Israeli Websites - Is Cyber Warfare The Next Front In The Middle East Conflict?

These key post-Cold War allies also saw it as a tangible expression of the U.S. commitment to their security in the face of assiduous Russian efforts to reassert a sphere of influence that would turn the clock back, reestablishing in some form their unhappy status under the Kremlin's thumb.

CENTERFORSECURITYPOLICY: 'Reset' translates as 'capitulation'