Distinguish word combination: "The laser" Question: What has become a multipurpose tool?
Distinguish word combination: "At the end of the tube" Question: Where is there a mirror?
Distinguish word combination: "In 1962" Question: When were semiconductor quantum generators developed?
Distinguish word combination: "The 20th century" Question: What would be called the age of the laser?
Задача Задача №53240
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