| 1. | New "elements" proliferated remarkably . 显著增生了许多新“元素”。 |
| 2. | In fact it requires at least n generators . 事实上,它至少要有n个元素。 |
| 3. | We call -a the additive inverse of a . 我们称-a为a的加性逆元素。 |
| 4. | Water consists of hydrogen and oxygen . 水由氢和氧二元素合成。 |
| 5. | We call o the additive identity . 我们称O为加性单位元素。 |
| 6. | Water is composed of the elements hydrogen and oxygen . 水是由氢、氧元素组成的。 |
| 7. | They warrant mention as possible guides . 它们作为指示元素的可能性是值得注意的。 |
| 8. | D is called the domain and its elements are places . D称为域,而它的元素称为位。 |
| 9. | We now omit the prime on the matrix elements . 我们现在把各矩阵元素上的一撇略去。 |
| 10. | Polymorphism in elements is called allotropy . 把元素中的多晶现象称为同素异构性。 |