material balance的用法和样例：
例句
- The specifications should provide a reasonable material balance.
应该提供一个合理的物料平衡控制标准。 - The results show that the direct mass balance control scheme outstrips the indirect one and can well satisfy the control requirement for both product quality and conversion rate.
结果表明直接物料平衡方案控制品质优于间接物料平衡方案，可在不同扰动情况下满足过程的产品质量和转化率的联合控制要求。
