| 1. | Its derivation involved no approximation . 它的推导过程不含近似处理。 |
| 2. | Every sentence has a canonical derivation . 每个句子都有一个规范推导。 |
| 3. | Our derivation lacks rigour in this regard . 我们的推导在这方面是不严格的。 |
| 4. | They must follow from the basic principles . 它们就一定是自基本原理推导得出来的。 |
| 5. | We have the following corollary to this principle . 由这个原理我们可以作如下推导。 |
| 6. | There is nothing wrong with mathematical speculation . 数学推导本身并没有什么错误。 |
| 7. | We will now deduce the properties of a single element . 现在我们推导单个无素的性质。 |
| 8. | Our development is limited to steady-state operations . 我们的推导限于稳定状态操作。 |
| 9. | Our derivation of the chain rule contains one flaw . 我们推导链式法则的过程中有一个漏洞。 |
| 10. | Here we will skip several details of the derivations . 这里我们将避开推导过程的某些细节。 |