| 1. | It shows that any zero must be pure imaginary .
它证明任何的零点必须是纯虚数。 |
| 2. | Since the imaginary parts cancel the result is the sum of the dampings .
由于虚数部分抵消了，故其总和就是总阻尼。 |
| 3. | Intervals can be either real or imaginary in the theory of relativity .
在相对论中，间隔可以是实数，也可以是虚数。 |
| 4. | The mathematical formulation of the quantum theory has required the use of imaginary numbers .
量子理论的数学公式需要运用虚数。 |
| 5. | When an interval is imaginary, we say that the two points have a space-like interval between them .
当间隔为虚数时，我们说这两点之间有一个类空间隔。 |
| 6. | we have to distinguish between the propagating modes with real valued β, and the evanescent modes with imaginary β.
我们必须分别考虑具有实数的导模和具有虚数的消失模。 |
| 7. | < uk > we have to distinguish between the propagating modes with real valued , and the evanescent modes with imaginary . < / uk >
< uk >我们必须分别考虑具有实数的导模和具有虚数的消失模。 < / uk > |
| 8. | An expression that is the sum of a real number and a vector and that contains four terms , one real and three imaginary
四元数一实数和一矢量的和的表达式，有四个项，一个为实数项，另外三个为虚数项 |
| 9. | The imaginary number comes in physical world along with physical evolution . the complex number composes most based concept element on physics
摘要当代物理学的发展是与虚数进入物理世界联系在一起的。复数成了物理学非常基本的概念元素。 |
