求翻译：为了保证汽车驾驶员素质评价工作的科学性、综合性和系统性，研究结果的合理性、可靠性和实用性，体系的建立采用系统性和层次性、定性与定量、动态性和可持续发展性等相结合的原则。根据国家新的评价指标条例精神制定指标体系，确定了5 个一级评价指标(生理素质、心理素质、道德素质、知识素质和经验素质，20个二级评价指标，五级评价标准，二级指标是对一级指标的进一步细化和补充，是什么意思？

In order to ensure the scientific evaluation of the car driver quality, comprehensive and systematic, the reasonableness of the findings, reliability and practicality, the establishment of the system using a systematic and hierarchical, qualitative and quantitative, dynamic and sustainable developme

In order to ensure that bus driver quality evaluation of the work, a comprehensive and scientific system of justification, and the results of the study, reliability, and usefulness, and the build up of a system of systems, and the level of qualitative and quantitative, dynamic and sustainable develo

In order to ensure that the drivers ' quality evaluation of science, integrated and systematic, reasonability, reliability, and usefulness of the research results, system used systematic and hierarchical, qualitative and quantitative, dynamic and sustainable development, as a combination of principl