原则；原理；道义；节操原则( principle的名词复数 )；准则；工作原理；[P-]（基督教科学派信奉的）神圣的原理；
"their principles of composition characterized all their works"
同义词：rule
a rule or standard especially of good behavior"a man of principle"; "he will not violate his principles"
a basic truth or law or assumption"the principles of democracy"
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"
同义词：rule
rule of personal conduct同义词：precept
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)"the principles of internal-combustion engines"
同义词：rationale
accounting principles会计原理，会计学
business principles经营原则
principles of management管理学原理
mechanical principles机械原理
principles of marxism马克思主义原理
generally accepted accounting principles公认会计原则
principles of operation工篆理
principles of accounting会计原理
principles of chemical engineering化工原理
principles of political economy政治经济学原理（马克思著作）
investment principles投资学
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