In order to maintain the social security order, strike crimes, protect the people's lifeproperty safety and other legal right, the police power has necessity to exist.
为了维护社会治安秩序，打击犯罪，保护人民的生命财产安全及其他合法权益，警察权有其存在的必然性。
2
The lifeproperty, the distribution and relationship of some organisms with the environment are discussed according to their size-frequency histograms and survivorship curves.
据一些种群的大小频率直方图和生存曲线讨论了部分生物的生存特征、空间分布及其与环境的关系。
3
Automobile hydraulic assistance steering gear is a kind of important parts, so it is necessary for comprehensive function examination which is directly related to lifeproperty safety of people.