Vector sum
[计] 向量和
🧩 词语组成解析
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
Does Richard Stewart live here?
Richard Stewart住这吗？
Is this within the tax-free limit?
这个在免税限额内吗？
They have been told that rescue operations are progressing smoothly.
他们一直被告知营救工作进行得非常顺利。