| 1. | Water is composed of the elements hydrogen and oxygen .
水是由氢、氧元素组成的。 |
| 2. | We strive to touch upon each of the elements mentioned above .
我们力争涉及上述每一个部分。 |
| 3. | Inside the battery there are a number of disk made of the element silicon .
在电池内部，有一些用硅元素做成的圆盘。 |
| 4. | Resonant frequencies are related to the shape and size dimensions of the element .
共振频率与这种元件的形状和大小有关。 |
| 5. | When a large proportion of the elements of a is zero, a is then called sparse .
当A的大多数元素都是零时，称A为稀疏矩阵。 |
| 6. | Scientists began using spectrometers to investigate the properties of the elements .
科学家们开始使用分光计去研究元素的性质。 |
| 7. | The transmutation of the elements was no longer the privilege of the radioactive substances alone .
元素的衍变不再是放射性物质独具的特点。 |
| 8. | We now equate this work to the total change in energy, kinetic and potential, of the element .
现在我们使这个功等于流体无动能和热能的总能量的改变。 |
| 9. | The interval is two mass units because these isotopes of the elements differ by two neutrons .
因为这些元素的同位素相差两个中子，所以其间隔为两个质量单位。 |
