design formulas

• 计算公式

design formulas的用法和样例：

例句

1. These formulas are valid for all attitude work of an ESG.
   计算公式适用于静电陀螺仪全姿态工作。
2. Formulas caculating the time and area for heat transfer in batch pot were decuced.
   推导出间歇釜热交换所需时间及传热面积的计算公式。