短語詞組短語No significant risk level 無顯著風(fēng)險(xiǎn)含量significant difference level 差異顯著水平significant U level 檢騐水準(zhǔn)constant significant level 固定顯著性水平reached extremely significant level 達(dá)極顯著水平reach significant level 達(dá)顯著水平an extremely significant level 極顯著水平very significant level 極顯著水平reached very significant level 達(dá)極顯著水平reached significant level 達(dá)到顯著水平 返回 significant level