| 1. | Product y is more trouble-free than x .
产品Y比产品X的问题要少。 |
| 2. | The product is the inner product of x and y .
这个乘积是向量x与y的内积。 |
| 3. | Adjoin two new vertices x and y to n .
在N中添加两个新顶点X和Y。 |
| 4. | We can construct many functions by assuming x=y .
我们可通过假设xy组成许多函数。 |
| 5. | New york is abbreviated to n. y .
NewYork缩写为N。 |
| 6. | Place y equal to the function .
使y等于此函数。 |
| 7. | There is no harm in multiplying it by the constant 1/(1-y) .
乘以常数1（1-y）没有妨碍。 |
| 8. | The coordinates x, y, and z are called the relative coordinates .
坐标x，y和z叫做相对坐标。 |
| 9. | The function n(x, y)is known as the refractive index profile .
函数n（x，y）称为折射率分布。 |
| 10. | the trick is to consider various fixed y≠0.
技巧就是考虑各个固定的y0。 |
