英语词汇“principal number”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	principal number
释义	principal number 数主数
随便看	sample-plot centre positioning sample-plot design sample plot method Sample plot positioning Sample plots sample-plot survey sample plotting sample punching machine sample purity sample quantile sample quantiles sample point Sample point collection Sample point distribution sample points sample polishing machine Sample pollution sample port sample position sample post sample power sample precision sample preconcentration sample preparation sample,preparation