名词
中文翻译：Unknown
同义词：
['bright field', 'bright observation', 'clear field of view']
例句：
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1.The astronauts conducted a bright-field observation during the launch.
宇航员在发射期间进行了明亮的观测。
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2. The scientist used a bright field to study the behavior of the animals.
科学家使用明亮的视野来研究动物的行为。
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3. The bright field observation helped us understand the structure of the galaxy.
明亮的视野观察帮助我们理解了星系的结构。