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A Simplilearn Certificate Goes on LinkedIn Each Minute; Here’s How Krishna Kumar Built It From a Blog

17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.

Class Central Team Jun 22, 2026

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无人机自主飞行控制


探索无人机自主飞行控制的核心技术，从飞行动力学到姿态控制、航迹控制和编队飞行，了解"机-站-链"闭环控制结构及其在现代军事行动中的应用。
- XuetangX
- Self-Paced
- Free Online Course
装备液压与气动技术


Explore hydraulic and pneumatic technology for equipment, covering fluid transmission principles, components, circuits, and system analysis with practical applications in automation, diagnostics, and maintenance.
- XuetangX
- Self-Paced
- Free Online Course
现代微波网络理论（高等微波网络）

Delve into the fundamental theories, technical methods, and applications of modern microwave networks, enhancing your understanding of network analysis, synthesis, and cutting-edge research in electromagnetic theory.
- XuetangX
- Self-Paced
- Free Online Course
音乐与健康


Discover how music therapy principles can enhance physical and mental wellbeing, exploring emotional regulation, social connections, and daily wellness through musical engagement and appreciation.
- XuetangX
- Self-Paced
- Free Online Course
生物化学与分子生物学


Dive into molecular-level life phenomena through biochemistry fundamentals, exploring protein structures, metabolism pathways, gene expression, and cellular signaling mechanisms for medical and biological applications.
- XuetangX
- Self-Paced
- Free Online Course
生物医学工程伦理


Explore ethical challenges in biomedical engineering, from clinical trials to AI in healthcare, while developing moral judgment skills for responsible innovation in medical technology and research.
- XuetangX
- Self-Paced
- Free Online Course
毒理学基础


你会到接触毒物吗？毒物是如何对机体造成损害的？来，跟着我们一起探索其中的奥秘吧！
- XuetangX
- Self-Paced
- Free Online Course
儿科护理学


每周1小时，线上课程，轻松学，行业大咖带你领略儿科护理的魅力！
- XuetangX
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Traditional Chinese Medicine

Explore the foundational theories, diagnostic methods, and treatment principles of Traditional Chinese Medicine, from yin-yang philosophy to acupuncture and herbal remedies.
- XuetangX
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- Free Online Course
生物医学数据库利用


课程适应当前信息化社会和大数据背景，培养医学研究生利用生物医学数据库进行数据分析的能力，提高科研技能。
- XuetangX
- Self-Paced
- Free Online Course
医学统计学


在看似随机的事件中找寻规律，把复杂的医学问题变得简单。医学统计学就像一把钥匙帮助我们打开探寻疾病奥秘的大门。
- XuetangX
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- Free Online Course
文本挖掘在科研选题中应用


顺应大数据时代背景下，医学专业研究生在学习和未来工作中面临的医疗健康信息化需求，介绍当前数据挖掘与知识发现中的先进技术--文本挖掘，培养学生的信息素养和科研能力。
- XuetangX
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- Free Online Course
环境卫生学


Dive into comprehensive environmental health studies covering air, water, soil quality, and their impacts on public health, with practical experiments and emergency response protocols.
- XuetangX
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- Free Online Course
预防医学


SARS、新冠肺炎等突发公共卫生事件的接连爆发使预防医学倍受关注，渐入大众视野。本课程将学科的发展趋势和动态融入到教学中，让学习者建立预防为主的健康思维。
- XuetangX
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- Free Online Course
病理学


Dive into the comprehensive study of disease mechanisms, from cellular changes to systemic disorders, focusing on pathological diagnosis, treatment principles, and disease prevention fundamentals.
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