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experimental method
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experimental method
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experimental method
实验法
通过操控一个或多个变量的变化来系统性观察其影响另一个或多个变量的实证研究方法。
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Frenkel pair
Frente Democratico Revolucionario de El Salvador,FDR
Frente Nacional de Libertação de Angola
Frente Polisario
frenulum
frenulum of tongue
freon
freon poisoning
frequence
frequence distribution curve
frequency
frequency-agile radar
frequency allocation
frequency analysis
frequency and duration method
frequency approach
frequency attribute
frequency band
frequency bandwidth constraint
frequency bridge
frequency calibration
frequency capture
frequency centre
frequency characteristic
frequency characteristic of sound pressure
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