(Mathematics)an equation involving only the first derivative, second derivative, etc.(數)一次（或二次等）方程
英語六級真題
But the other side of that equation is that the US needs to save more.
出自-2012年12月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
N-COUNT
等式;方程式
An equation is a mathematical statement saying that two amounts or values are the same, for example 6x4=12x2.
N-COUNT
（多種因素需加以綜合考慮的）平衡，綜合體
An equation is a situation in which two or more parts have to be considered together so that the whole situation can be understood or explained.
例句
The equation is simple: research breeds new products...情況很簡單：研究產生新產品。The party fears the equation between higher spending and higher taxes...該黨擔心難以平衡更多支出和更高稅率之間的綜合關系。
英漢詞典釋義
n.
方程式, 等式
The solution can be expressed by a mathematical equation.答案可用一個數學方程式來表示。
英英詞典釋義
Noun
1. a mathematical statement that two expressions are equal
2. a state of being essentially equal or equivalent; equally balanced;