| 1. | This basic concept is illustrated in most texts on hyd aulics .
这个基本概念在大多数水力学教科书中已有介绍。 |
| 2. | We now have the key concepts needed to make sense of atomic structure .
现在，我们有了理解原子结构所需的基本概念。 |
| 3. | The basic concepts of colorimetry were expressed by grassman in 1853 .
测色学的基本概念早于1853年由格腊斯曼加以阐述。 |
| 4. | It is desirable to review in this book the fundamental concepts and principles .
本书拟就一些基本概念和原理作出评述。 |
| 5. | Another fundamental concept in ecology is that energy flow through the ecosystem .
生态学的另一个基本概念乃是生态系统中的能流。 |
| 6. | Most of the basic concepts of the modern theory were already invented by 1945 .
到1945年，就已经创建了近代理论的大部分基本概念。 |
| 7. | One of the most fundamental concepts for understanding heat radiation is that of a black body .
理解热辐射的最基本概念之一是黑体概念。 |
| 8. | Kinematics can be defined as the description of motion using only two basic concepts: length and time .
运动学只用长度和时间这两个基本概念来描述运动。 |
| 9. | By combining electrostatics with photoconductivity, carlson had found the right basic concept .
卡尔森把静电学和光电导性结合起来，得出了正确的基本概念。 |
| 10. | Two of the fundamentals of the physical processes of earth materials have been introduced so far .
到目前为止，我们已介绍了地球物质的物理过程的两个基本概念。 |
