| 1. | " pacta sunt servanda " is a fundamental rule of the traditional theories of civil law
契约必须得到遵守，乃传统民法理论中的一项基本规则。 |
| 2. | The civil liability of infringing intellectual property , refers to some basic issues in civil law
侵害知识产权的民事责任，涉及到民法理论中的一些基本问题。 |
| 3. | The validity of the contract between the seller and the third party depends on whether and when the obligee exerts the preemption
又依我国现行法和民法理论之通说,无权处分合同是效力待定合同。 |
| 4. | Theories and systems about errors , which were divided into expression errors and motivation errors , were basal theories of civil law
错误的理论和制度是民法理论中基础性理论之一,错误分为表示错误和动机错误。 |
| 5. | The practice of pawn is not in line with the traditional civil law theory , which arise a lot of confusion and disorder to handle with
典当实践与我国传统民法理论相对脱节。典当业经营较为混乱，暴露出许多法律问题亟待解决。 |
| 6. | In civil law theory , civil legislation and civil judicial practice , joint obligation and joint liability are often hard to distinguish from each other
摘要在民法理论、民事立法和民事司法实际工作中，连带债务和连带责任往往被混为一谈。 |
| 7. | However , introducing the system of liability for tort to the protection of claim breaks the relativity principle of the debt in the traditional civil law theory
但是,将侵权责任制度引入对债权的保护,打破了传统民法理论中债的相对性原则。 |
| 8. | The theory about environmental tort is not only to move the civil law theories into the environmental protection realm , but to have a combination of two
研究环境侵权理论不是简单地把民法理论照搬到环境保护领域，而是，要找到能使二者的有机结合的途径。 |
| 9. | The writer attaches importance to applying basic theory of civi l law to account for some complicate and diverse practical legal issues , which makes this article abound in empirical significance
笔者注重用一般的民法理论分析解决实践中错综复杂的法律问题，从而使本文更具有对实践的指导意义。 |
| 10. | The essay aims to make clear the relation between joint obligation and joint liability , thus can be of help to the development of civil law theory , to civil legislation and to judicial practice
其意义在于，有利于民法理论的发展、民事立法的规范和指导民事司法实际工作，同时，也有利于更好地保护当事人的合法权益。 |
