mathematics expression的用法和樣例：
例句
- It should be set to an arithmetic expression that has an integer as a result.
它設置了一個(gè)完整的數學(xué)表達應該能得到一個(gè)完整的結果。 - For such a step to be firm, one would have to understand the basic concepts of mechanics and their mathematical expressions.
為使這一步堅實(shí)，必須理解力學(xué)的基本概念，以及它們的數學(xué)表達形式。
