A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
不管是英语零基础的孩子，还是接受过少量英语启蒙的孩子、上过培训班的孩子、拿过少儿英语比赛的孩子，都可以用RAZ根据蓝思值和DR难度来测试孩子目前所在的英语水平，然后根据孩子的目前英语程度选择难度合适的绘本或动画片，读物等。
专业英语分级阅读平台，助力中国学生提升英语阅读能力，培养国际化视野。
2019年9月2日，我们正式用起了 RAZ （幼儿园到小学的暑假，RAZ初接触）而这套经典英文分级读物，彻底改变了此前我们磕磕绊绊的英语启蒙之路 ，并 ...
RAZ分级阅读 3 12岁儿童英语启蒙必备 牛津树同源绘本分级体系｜2000本原创英文绘本｜专业美音点读 作为深受中国家长喜爱的英语启蒙工具，RAZ分级阅读专为3 12岁中国儿童研发，采用与牛津树同源的绘本分级体系，包含近2000原创英语绘本和自然拼读内容，帮助孩子从零基础到自主阅读。
一、什么是RAZ分级阅读？ RAZ 即 Reading A Z 的缩写，它是一套教授英语阅读的教材，是美国1万多所学校采用的在线分级阅读资源，是让孩子从听说到阅读的一个工具。
在 App Store 下载“海笛 贾”开发的“RAZ分级阅读 儿童英语启蒙有声阶梯绘本”。 查看屏幕快照、评分与评论、用户提示以及更多类似“RAZ分级阅读 儿童英语启蒙有声阶梯绘本”的游戏。
Raz即ReadingA Z的缩写，它是一套教授英语阅读的教材，是美国1万多所学校采用的在线分级阅读资源，是让孩子从能听说到进入阅读的一个工具。 本文链接: 教授英语阅读《RAZ plus》全套资料共29个…
RAZ，即 readingA Z 的缩写。 这是一套完美的英语阅读分级体系，其难易程度从aa a z，共分28级。 GK包括aa、A、B、C四级，对应的是美国的幼儿园阶段。 G1包括D、E、F、G、H、I、J七级，对应的是美国小学一年级。 G2包括K、L、M、N、O、P六级，对应美国小学二年级，G2读完可以上初章。 G3包括Q、R、S、T四级，对应美国小学三年级，G3读完可以上中章。 G4包括U、V、W三级，对应美国小学四年级。 G5包括X、Y、Z（Z1Z2）四级，对应美国小学五年级，Z读完可以上原版长篇小说，自由阅读。 二、RAZ有 多少本？ 看图。 三、RAZ 的难度等级. 对应国际分级标准，如下图。 对应国内学校英语水平，如下图。 四、RAZ的内容是什么？
RAZ分级阅读 3 12岁英语启蒙神器，2000 绘本科学进阶 【核心价值】 原版分级：完整27级体系（aa Z），对标牛津树标准 海量资源：近2000本原版绘本，覆盖人文、科学等25 主题，同步美国小学课堂 智能互动： AI实时纠音：发音 语速双维评分 单词游戏化 ...
第1个Raz Plus适合高中以上没时间打基础，只强化阅读能力，不提升读写听的能力 第2个数据是共享的全模块，多人共用，后面没法进行智能个性化定制学习内容 第3个是最全面的专属全模块，也是个性化的学习，提升效果最明显
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