analysis of materials quantity variance中文什么意思

材料数量差异分析

• analysis:    n. (pl. -ses ) 1.分 ...
• material:    adj. 1.物质的(opp. sp ...
• quantity:    n. 1.量 (opp. quali ...
• variance:    n. 1.变化，变动，变更；变度，变 ...