MindMap Gallery prehistoric period
This is a mind map about prehistoric times, which mainly includes human race in prehistoric times, Chinese farming, Emperors Yan and Huang, Dayu et al.
Edited at 2024-02-14 21:50:56Discover the fascinating world of integrals, a fundamental concept in calculus that encapsulates the idea of accumulation. This overview explores the core idea behind integrals, distinguishing between definite and indefinite integrals, and illustrating their applications in real-life scenarios like calculating distance, mass, and costs. We delve into the fundamental theorem of calculus, which bridges the gap between accumulation and differentiation. Key properties such as additivity and linearity are highlighted, alongside practical computation methodsboth analytical and numerical. Finally, we address common misconceptions to deepen your understanding. Join us on this journey to appreciate the power of integrals in mathematics and beyond!
Discover the fascinating world of probability, where uncertainty meets mathematical precision. This introduction explores key concepts, starting with definitions and interpretations of probabilityclassical, frequentist, and Bayesian. We delve into fundamental laws, including Kolmogorov's axioms, and essential properties like conditional probability and independence. Learn about the law of total probability and Bayes' theorem, which are crucial for updating beliefs based on new evidence. Finally, connect probability to random variables and distributions, highlighting their significance in real-world applications. Join us on this journey to understand how probability shapes our understanding of chance and decision-making.
Discover the fascinating world of Group Theory, where the elegance of symmetry meets algebraic structures. This branch of mathematics explores how groups model actions that maintain structural integrity, aiming to classify and analyze symmetries across various fields. A group, defined by specific operations and properties, encapsulates transformations that preserve shapes, equations, and more. Key concepts include finite and infinite groups, abelian versus non-abelian structures, and fundamental examples like integers and permutation groups. Group Theory also delves into internal structures like subgroups, normal subgroups, and homomorphisms, providing essential tools for understanding complex symmetry systems. Join us in exploring how this theory formalizes and describes symmetry in both abstract and tangible ways.
Discover the fascinating world of integrals, a fundamental concept in calculus that encapsulates the idea of accumulation. This overview explores the core idea behind integrals, distinguishing between definite and indefinite integrals, and illustrating their applications in real-life scenarios like calculating distance, mass, and costs. We delve into the fundamental theorem of calculus, which bridges the gap between accumulation and differentiation. Key properties such as additivity and linearity are highlighted, alongside practical computation methodsboth analytical and numerical. Finally, we address common misconceptions to deepen your understanding. Join us on this journey to appreciate the power of integrals in mathematics and beyond!
Discover the fascinating world of probability, where uncertainty meets mathematical precision. This introduction explores key concepts, starting with definitions and interpretations of probabilityclassical, frequentist, and Bayesian. We delve into fundamental laws, including Kolmogorov's axioms, and essential properties like conditional probability and independence. Learn about the law of total probability and Bayes' theorem, which are crucial for updating beliefs based on new evidence. Finally, connect probability to random variables and distributions, highlighting their significance in real-world applications. Join us on this journey to understand how probability shapes our understanding of chance and decision-making.
Discover the fascinating world of Group Theory, where the elegance of symmetry meets algebraic structures. This branch of mathematics explores how groups model actions that maintain structural integrity, aiming to classify and analyze symmetries across various fields. A group, defined by specific operations and properties, encapsulates transformations that preserve shapes, equations, and more. Key concepts include finite and infinite groups, abelian versus non-abelian structures, and fundamental examples like integers and permutation groups. Group Theory also delves into internal structures like subgroups, normal subgroups, and homomorphisms, providing essential tools for understanding complex symmetry systems. Join us in exploring how this theory formalizes and describes symmetry in both abstract and tangible ways.
prehistoric period
Prehistoric people
my country is the country with the most discovered sites
Relics discovered in my country
Lantian people (now Shaanxi Province)
Shanding Cave Man (today’s Zhoukoudian, Beijing)
Yuanmou people (now Yunnan)
Pekingese (today’s Zhoukoudian, Beijing)
wait
tool
place of living
cave
tree top
tool
stone tools
block
How to eat
Fire roasted
Boiled
address
Yangtze River Basin
Yellow River Basin
Stone Age
Farming in China
China is a large agricultural country with a long history
Farming began around 10,000 years ago
Mainly farming, supplemented by hunting
Rice, millet, millet
The world's earliest artificial cultivation
People in the world are no longer worried about food
Laying the foundation for future human evolution
Emperor Yan and Huang
Yellow Emperor
Xuanyuan
He can smelt copper with fire, build ships, dig wells, and make clothes...
By the Yellow River
Emperor Yan
ginger
I can make ceramics, make salt, and spin...
By the Yellow River
Myths and legends, no historical proof
Dayu
Dayu controlled floods
Successfully cured water
loved by the people
He who wins the hearts of the people wins the world