Therefore , when the student information is returned , the model can update all the item distribution probabilities with the help of self - study ability of the bayesian networks . finally , accurate testing of the mastery of new knowledge is fulfilled , as a result , the teaching and learning procedure is individuated 这样，当有学生的反馈信息时，模型能够通过贝叶斯网络的自学习能力，更新知识项之间的概率分布，从而完成对学生能力及学习状况的预测推理，实现个性化教学。
Article 27 administrative departments of agro - technical popularization and agro - technical popularization setups at or above the county level shall carry out in a planned way technical trainings for agro - technical popularization personnel and organize them to obtain professional studies so as to update their knowledge and enhance their vocational level 第二十七条农业技术推广行政部门和县以上农业推广机构，应当有计划地对农业技术推广人员进行技术培训，组织专业进修，使其不断更新知识、提高业务水平。
The language " masters " of the new century not only know the importance of accumulating knowledge , but also , they should pay more attention to combine their extensive knowledge with their deep professional knowledge ; they should keep on renewing their knowledge and optimizing the structure of their knowledge 新世纪的语文“名师”不仅懂得知识积累的重要性，而且，他们更注重将广博的知识面与精深的专业知识、专业特长相结合；新世纪的语文名师总会不停地更新知识、合理优化自身的知识结构。
Using advanced countries " experiences for reference , this paper argues that our higher schoolteachers " training should develop from elementary training and degree recovery into life - time quality education which aims at renewing and fully improving their competences in every respects , instead of depending only on governmental efforts , the union of governments , schools and individuals have their own duties each in the process . pre - job training and on - the - job training are actually two practical ways to improve teachers " qualities . how to take pre - job training 提高教师素质的途径很多，本文主要从高校教师培养的角度出发，提出了借鉴发达国家高校先进的教师培养方法，以实现我国师资培训的两个转变(即从基础性培训和学历补偿教育逐步向着眼于更新知识、全面提高教师素质的终身教育转变和从主要依靠政府行为逐步向政府行为、学校行为和个人行为相结合转变)为目标，采取职前培养与在职进修两位一体的高校教师培养办法，达到提高教师自身素质的目的。
