Phrase
algebraic sum
phrase
代数和
the sum of a set of numbers when their positive or negative signs are taken into account
即把各个数的正负号一并计入所得的总和。
[经] 代数和
In use
The algebraic sum of 5 and -3 is 2.
The accountant calculated the algebraic sum of all profits and losses for the month.
When we add forces on the box, the algebraic sum determines whether it moves left or right.
the algebraic sum of [noun phrase]
The algebraic sum of the two vectors is zero.
两个向量的代数和为零。
calculate the algebraic sum
You need to calculate the algebraic sum of all forces.
你需要计算所有力的代数和。
algebraic sum equals [value]
In this equation, the algebraic sum equals zero.
在这个方程中，代数和等于零。
Common mistakes
The algebra sum of 5 and 3 is 8.The algebraic sum of 5 and 3 is 8.
误用名词'algebra'代替形容词'algebraic'。在英语中，修饰名词'sum'需要形容词形式'algebraic'，而' algebra'是名词，不能直接作定语。
We need to calculate the sum algebraic.We need to calculate the algebraic sum.
词序错误：英语中形容词通常放在名词之前，'algebraic sum'是固定顺序，'sum algebraic'不符合英语语法。汉语'代数和'中'代数'在前，但英语形容词在前。
Connections
Confusing words
- arithmetic sum
- 算术和 · 代数和是对带正负号的数值求和，而算术和通常指忽略符号的绝对值之和。
Word family
- algebra
- 代数 · noun
- algebraic
- 代数的 · adjective
- algebraically
- 代数上 · adverb
- sum
- 和 · noun
- summation
- 求和 · noun
Dictionary facts from ECDICT.