... 正弦函数 sine function 正弦积 sine product 正弦积分 sine integral ...
双语例句
1
I put a vector sign over here, because you have to take the cross-product between the two, so you take the... sine of this Angle has to be taken into account.
在此加一个向量标志，因为必须要，算这俩的乘积，所以，sin这个角度必须，考虑在内。
2
Snus has been in test market sine 2007, said Phelps, and the company has learned, received feedback and made some changes to the product as a result.