subtracts的例句（subtracts在句子中的用法）

• A businessman usually subtracts his costs from his gross profits. 通常商人从毛利中减去他的成本.
• Significant comorbidity such as ischemic heart disease and stroke subtracts 2 points. 像缺血性心脏病和中风等明显合并症者也要减去2分.
• The positive - going signal subtracts from the forward bias of the lower transistor. 正向信号则使它的正向偏压减弱.