“負(fù)號”造句
2024年05月11日 16:27:52
他似乎把
負(fù)號誤作正號了.
He seems to have mistaken a minus for a plus.
出現(xiàn)
負(fù)號的原因與 33-2 節(jié)所講的相同.
The reason for the minus sign is the same as in Section 33 - 2 .
這個(gè)
負(fù)號表示這個(gè)力總是和速度的方向相反.
The negative sign describes the fact that this is always opposite to the velocity.