英语词汇trial and error是什么意思，trial and error的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	trial and error
释义	USUS
随便看	allocated allocated allocated allocated allocated channel allocated channel frequency allocated circuit allocated costs allocated frequency band allocated logical storage allocated physical storage allocated quotas allocated resource table allocated-use circuit allocatedchannel allocatee allocatee allocates allocates allocating allocating allocating allocating allocating task allocation

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