英语翻译刑法领域中的“principle of 怎么翻译比较好

Parental authority is the parents of minor children and property in the area of personal care and protection of the rights and obligations. China's legislature in the form of relatives did not set up the system of parental authority. In the "General Principles of Civil Law," the main system of civil briefly on the provisions of the Guardianship of the parents of minor children under the Guardianship of the rights and obligations attributed to, but there is no distinction between the general care and special care will be the same as the general guardian of the parents, which civil law is different from the kinds of practices, but also different from the Anglo-American legal systems, there is a serious shortage of its own. Therefore, as soon as possible to establish and perfect the system of parental authority in our country, from the legal system to separate from parental authority and guardianship not only the needs of theory and practical significance, especially for the minor children's growth and the protection of the interests of extremely important.

指定罪的准则或原则.比如：规定怎样的行为是犯罪行为等.