проблема
• The issue (or The problem) is unresolved.
• For an investigator of meteorites the basic challenge is deducing the history of the meteorites from ...
Русско-английский научно-технический словарь• The issue (or The problem) is unresolved.
• For an investigator of meteorites the basic challenge is deducing the history of the meteorites from ...
Русско-английский научно-технический словарь