time teaching staff that are appointed according to the nature level and size of the school that have the educational qualifications required by state regulations and that are competent for teaching work
根据学校的性质、级别和规模聘任的具有国家规定的学历资格并能胜任教学工作的专职教师
以上为机器翻译结果，长、整句建议使用 人工翻译 。