factor of expansion的用法和樣例：
例句
- In the case of solids and liquids which have very small coefficients of thermal expansion, this distinction has no practical importance.
至於固體和液體，由於它們的熱膨脹係數很小，上述區別便沒有實際價值。 - Water has a variable coefficient of expansion.
水的膨脹係數是可變的。 - The thermostat is based on the fact that different metals have different coefficients of expansion.
恆溫器是以不同的金屬有不同的膨脹係數這一事實為根據的。
