名词
中文翻译：极地理论
同义词：
['polar hypothesis', "polar theory例句：1. The polar theory suggests that the Earth's magnetic field is responsible for the movement of the planets.（极地理论认为地球的磁场是行星运动的原因。）2. In this theory", "the Earth's core is composed of molten iron and nickel.（在这个理论中，地球的核心由熔融的铁和镍组成。）3. The polar theory has been widely accepted by scientists and has influenced many scientific discoveries.（极地理论被科学家广泛接受，并影响了众多科学发现。）"]
例句：
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1. The polar theory suggests that the Earth's magnetic field is responsible for the movement of the planets.
极地理论认为地球的磁场是行星运动的原因。
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2. In this theory, the Earth's core is composed of molten iron and nickel.
在这个理论中，地球的核心由熔融的铁和镍组成。
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3. The polar theory has been widely accepted by scientists and has influenced many scientific discoveries.
极地理论被科学家广泛接受，并影响了众多科学发现。