Last Updated：2025/11/21
Sentence
レーザーの焦点を改善するために、研究室の技術者は実験の前に平行光束を作る光学装置を調整した。
Quizzes for review
To improve the laser's focus, the lab technician adjusted the collimator before experiments.
See correct answer
To improve the laser's focus, the lab technician adjusted the collimator before experiments.
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