期居庐，终丧不御于内者，父在为母为妻；齐衰期者，大功布衰九月者，皆三月不御于内。妇人不居庐，不寝苫。丧父母，既练而归；期九月者，既葬而归。公之丧，大夫俟练，士卒哭而归。大夫、士父母之葬，既练而归。朔月忌日，则归哭于宗室。诸父兄弟之丧，既卒哭而归。父不次于子，兄不次于弟。
（二）在本学科专业有深入研究、较高的造诣，或是全国知名专家、学术领军人物，有在相关教材或教学方面取得有影响的研究成果，熟悉相关行业发展前沿知识与技术，有丰富的教材编写经验。一般应具有高级专业技术职务，新兴专业、行业紧缺技术人才、能工巧匠可适当放宽要求。
A total of 268 students majoring in hotel management, human geography and urban/rural planning and administrative management attended the opening ceremony
First, China is playing an increasingly important role in the world, so some neighboring countries, and especially some developed Western countries may regard China as a challenger to the power they have maintained for many years