英语词汇“必要品种”的释义、用法及例句翻译-英汉例句词典

词汇	必要品种
例句	The balance of animal populations would be grossly upset very rapidly unless the law of requisite variety held in general throughout nature.除非必要品种规律在整个自然界起支配作用，否则动物种群的平衡就会迅速地被全面打破。
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