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
precision的一般应用场景是，还是那个电子称，称千克原器，告诉你重0吨，上面的数字显示也只有吨（当然真实的电子称不会这么夸张），你又放了999个上去，告诉你是1吨。 这称可以说是precision不好。
YOLOv5源码中评价模型的recall和precision计算是通过pr曲线上F1值最大点对应的p和r实现的；而我所看的论…
回到题主的问题，precision 以类似上述的方式当做 “虚拟形容词”时，跟 precise “正身形容词” 有什么区别？ 上面截图中的广告 "precision tools" 就是一个常见的 precision 用来当修饰词的例子。 什么是 precision tools ？例如戴眼镜的人都知道眼镜框上的螺丝有时会松，需要经常用螺丝刀转紧，但是一般的 ...
DELL Precision 3470（下文简称为”DP3470”）的外箱是一个非常小巧全，粗看之下以为是某笔电的全黑色内箱，幸亏正面右下角的白底黑字贴纸打破了这庄严肃穆的气氛，上面有供货商家名称和正品保障承诺、机器型号、编号、订单号和主要配置。
《Precision Chemistry》期刊是一本同行评审制的学术期刊，具有一定的学术质量。 期刊的编委会由国际知名的化学学者组成，审稿人严格审核投稿的学术质量，保障了期刊的学术水平。 出版频率： 《Precision Chemistry》期刊每年出版12期，即每月一期，为半月刊。
F1 score 就是一个综合考虑precision和recall的metric： 2*precision*recall (precision recall) 基本上呢，问题就是如果你的两个模型，一个precision特别高，recall特别低，另一个recall特别高，precision特别低的时候，f1 score可能是差不多的，你也不能基于此来作出选择。
戴尔Precision 7780是一款【移动工作站】，核心竞争力就是强大的扩展能力。 从官方的宣传来看，该产品提供两种内存设计，一种是传统的内存插槽（2个SO DIMM）， 另一种则是全新形态的CAMM内存，厚度变薄了57%，单条容量就可达到128GB。
想买一个移动工作站，但是不知道选择precision，还是tp或者zbook，有买过的人给个建议吗? 主要先是质量稳定性，我看Dell的低端甚至g系列等中高端外星人故障率不小。 怕高端工作站也品控差，还有precision77竟然取消机械硬盘。 think… 显示全部 关注者 137
Precision is the repeatability, or reproducibility of the measurement Precision指的是测量结果的一致性。 Accuracy is the proximity of measurement results to the true value. Accuracy指的是测量结果和真实结果的接近程度。 在心理学度量中， precision 类似于reliability（即信度）；accuracy类似于 validity （即效度）。
一般来说，Precision就是检索出来的条目（比如：文档、网页等）有多少是准确的，Recall就是所有准确的条目有多少被检索出来了。 正确率、召回率和 F 值是在鱼龙混杂的环境中，选出目标的重要评价指标。 不妨看看这些指标的定义先： 1.
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