工程名词：总时差.docVIP

工程名词：总时差 工程名词：总时差提要：总时差和自由时差的区别相应总时差的还有自由时差，指一项工作在不影响后续工作的情况下所拥有的机动时间 源自于建筑资料 工程名词：总时差 一、概念总时差（用TFi-j表示，TF是TotalFloat的缩写）。双代号网络图时间计算参数，指一项工作在不影响总工期的前提下所具有的机动时间。是由于工序最迟完成时间与最早开始时间之差大于工序作业时间而产生的机动时间。用工作的最迟开始时间LSi-j与最早开始时间ESi-j之差表示。 二、计算公式总时差TF=LS-ES=LF-EF 三、总时差和自由时差的区别相应总时差的还有自由时差，指一项工作在不影响后续工作的情况下所拥有的机动时间。用紧后工作的最早开始时间与该工作的最早完成时间之差表示。 总时差的含义就是，不影响总工期的情况下，可以耽误的时间；自由时差的含义就是，不影响紧后工作的最早开始时间而可以耽误的时间。 四、计算中实际应用在实际计算和运用中下面两个理论很重要 1、本工作总时差=其后续工作各条线路自由时差的最小值+本工作自由时差 2、本工作总时差=紧后工作最小的总时差+本工作的自由时差 注：紧后工作它有时不是一个数字，而是一组，因为紧后工作可能有若干个。 源自于建筑资料 Measures for the routine management of moral education in Middle SchoolsMethod of conventional management of moral education in middle schoolFirst, the guiding ideology:School moral education is an organic whole of the whole education work, always adhere to the school adhere to the moral education, education for this product, and actively promote the quality education, the school building efficient curriculum system of moral education, moral education, improve the sense of attraction and appeal, enhance the moral education work for through and timeliness. Teach everyone, service education and management education, and school moral education work must be with family education and community education closely together, to form a concerted pattern, and strive to create a good atmosphere for education, and to promote the all-round development of students, to establish a scientific moral education full of vigor the For long-term mechanism.Two, the goal of moral education:To guide the students to form the correct world outlook, outlook on life, values, to cultivate students unity and mutual assistance, honest and trustworthy, law-abiding, good quality, hard work, set a good XX students ideological quality, psychological quality and image quality. The formation of excellent moral education curriculum system and management system, the construction of school. The society, family moral education network, to achieve