《高分手册：高中思想政治学业水平考试必备》的特点：清晰解读考试内容，命题思想。结合考题解读重点，针对性讲解为指出规律方法。真题模拟题配合练习，追求实战高效。

《高分手册：初中政史地开卷考试速查》特色：考什么，学什么：直击中考，知识全，技巧精，能力拓展有提升更权威更实用：以一抵三，政史地样样通，全面提分不偏科查什么有什么：速查高效随时查随时记，点滴时间不浪费

TB/T1632 Welding o f Rails is published as four parts：-Part 1： General Technical Specifications;-Part 2： Flash Butt Welding;-Part 3： Thermit Welding;-Part 4： Gas Pressure Welding.This is the third part of TBlT1632.This part is drafted in accordance with rules in GB/T1. 1-2009.This part， which supersedes Welding of Rails Part 3： Thermit Welding （TB/T 1632. 3-2005）， varies from TB/T1632. 3-2005 as follows：-The material requirements for thermit welding have been modified （3. 2 herein and 3. 2 in edition 2005） ;-The personnel requirements for thermit welding have been modified （3. 3 herein and 3. 3 in edition 2005） ;-The storage requirements and expiration date for the flux and sand mould that shall be included in the process manual have been added （3. 4 herein） ;-The requirements for elongation after fracture A）2. 0% are deleted， the requirements for impact resistance KUz >6. 0 J are deleted， the specification that elongation after fracture A and impact energy KU2 will not be used as a condition for delivery have been deleted （3. 5 herein and 3. 5 in edition 2005） ;-The test methods have been modified （Chapter 4 herein and Chapter 4 in edition 2005）;-The impact test in the test method have been deleted （4. 6 in edition 2005） ;-The test rules have been modified （Chapter 5 herein and Chapter 5 in edition 2005）.This part is proposed and managed by the Standards & Metrology Research Institute of the Ministry of Railways.This part is drafted by the Metals &， Chemistry Research Institute of China Academy of Railway Sciences and the Standards & Metrology Research Institute of the Ministry of Railways.This part is mainly drafted by Li Li， Cui Chenglin， Gao Songfu， Gao Wenhui and Zhu Mei.The previous standards superseded by this part include：-TB/T1632-1991;-TB/T1632. 2-1997 ;-TB/T1632. 3-2005.

This standard is drafted in accordance with rules in GB/T 1. 1-2009.This standard supersedes TB/T 3080-2003 Technical Speci fications for Concrete Turnout Sleepers with the following revisions：-Requirements for the performance of concrete and related raw materials have been revised （refer to section 3. 2 herein and section 3. 1 in edition 2003）.-Requirements for the performance of stirrups have been revised （refer to section 3. 2. 7 herein and section 3. 1. 8 in edition 2003）.-Requirements for concrete curing have been revised （refer to section 3. 3. 3 herein and section 3. 3. 6 in edition 2003）.-The load values of static load crack resistance strength and fatigue strength of turnout sleepers have been revised， and the specific values are shown in the design drawing （refer to section 3. 4. 7 herein and section 3. 4. 2 and section 3. 4. 3 in edition 2003）.-Technical requirements for the durability of concrete have been added （refer to section3. 4. 3， section 3. 4. 4 and section 3. 4. 5 herein）.-Technical requirements for the dimensional deviation and appearance quality of turnout sleepers have been revised and stipulated respectively according to train speed （refer tosection 3. 4. 1 herein and section 3. 4. 4 in edition 2003）.-The requirements for the time interval of approval test have been revised （refer to section5. 2. 1 herein and section 5. 3. 2. 3 in edition 2003）.-The measuring method for the camber of turnout sleepers has been added （refer to section 4. 11）.This standard is proposed and managed by Economic and Planning Research Institute， the Ministry of Railways.This standard is drafted by Railway Engineering Research Institute of China Academy of Railway Sciences， China Railway Engineering Consulting Group Co.， Ltd. and China Railway Fangshan Bridge Co.， Ltd. Beijing.This standard is mainly drafted by Fan Jia， You Ruilin， Du Xianggang， Hou Wenying， Pei Aihua， Zhou Zhaochun and Cao Fengjie.The previous edition of the standard superseded by this standard is TB/T 3080-2003.

《高分手册：高中生物基础知识与重难点》特色：生物学习可以这样省时省力。分类整理基础知识，各个击破重点难点，使全部知识系统化，能力考点条理化。总结规律，突出方法，基础题不失分，能力题拿高分。

《高分手册：初中数学考点万能解题模版》特色：中考真题分析解读，打通知识体系脉络系统整理考点级别，建立知识储备基础破解常考题型规律，建立快速解题模板

《高分手册：初中地理基础知识与重难点》的特点：地理学习可以这样省时省力。分类整理基础知识，各个击破重点难点，使地理知识系统化，能力考点条理化。总结规律，突出方法，基础题不失分，能力题拿高分

《高分手册：中学生必备成语手册》特色：以考纲、教材为依据，收录成语近一千条。从释义、出处、典故、造句（运用）上对成语进行全面的的理解运用，突出针对性和实用性，直接针对中考、高考，所选条目全部出自现行的中学课本。这样就避免了有的词典大而无当、搜罗过多的缺点，让学生能更好地把握中考、高考考查的范围。

《高分手册：高中政史地必考知识点》特色：考什么，学什么：直击高考，知识全，技巧精，能力拓展有提升；更权威更实用：以一抵三，政史地样样通，全面提分不偏科；查什么有什么：速查高效随时查随时记，点滴时间不浪费

《高分手册：初中生物基础知识与重难点》的特点：生物学习可以这样省时省力。分类整理基础知识，各个击破重点难点，使地理知识系统化，能力考点条理化。总结规律，突出方法，基础题不失分，能力题拿高分