principle

原则；主义

原理；定律

（机械）操作原理

（行动的）准则

节操

principle

法则, 原则, 原理

principle

1. a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct; "their principles of composition characterized all their works"

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2. a rule or standard especially of good behavior; "a man of principle"; "he will not violate his principles"

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3. a basic truth or law or assumption; "the principles of democracy"

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4. a rule or law concerning a natural phenomenon or the function of a complex system; "the principle of the conservation of mass"; "the principle of jet propulsion"; "the right-hand rule for inductive fields"

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5. rule of personal conduct

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6. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature); "the rationale for capital punishment"; "the principles of internal-combustion engines"

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