Calculating Investment Returns in China (RMB)
How to calculate ROI for Chinese stocks, funds, and property using RMB. Understand percentage gains and losses.
•3 min read
Read more →学习效率计算器
量化您的有效学习时间占比，评估学习专注度和效率。
学习效率计算器
相关 成绩与教育 计算器
How It Works
- 输入您在书桌前坐着的总时长。
- 估算真正全神贯注的学习时间。
- 计算出您的真实学习效率。
Formula:
效率 = (专注时间 ÷ 总时间) × 100%Examples
坐了 5 小时，专注了 3 小时，效率多少？
Result: 60%
Frequently Asked Questions
正常的学习效率是多少？
很难达到 100%。通常 70%-80% 已经被认为是相当高效的学习状态了，适当休息是必须的。
如何提高专注时间？
可以尝试番茄工作法（25分钟专注+5分钟休息），并移除手机等干扰源。
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