variable: adj.1.易变的,变化无常的,无定的 (opp. constant, steady)。2.可变的,能变的;变换的。3.【数学】变量的;【天文学】变光的;【生物学】变异的。短语和例子Prices are variable according to the exchanges. 物价跟着汇率变动。 a man of variable character 反复无常的人。 a r
Single sampling inspection plans having desired operation characteristics by variables standard deviation known 通过变量进行有预期操作特性的一次抽样检查计划
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, single sampling inspection plans having desired operating characteristics by variables standard deviation unknown and single limit specified 通过变量进行有预期操作特性的一次抽样检查计划