theoretical value的用法和样例：
例句
- All stress concentration factors so far presented in this book discussed the geometric or full theoretical values.
本书内所提到的全部应力集中系数都是几何的或纯理论值。 - For design calculations, it is usually adequate to use the theoretical value for the approximate mixture ratio, corrected by a typical combustion efficiency factor.
对于设计计算，采用相应混合比的理论值，并用典型的燃烧效率系数来修正，通常这样做是恰当的。
