Readers who enjoy arithmetic can now answer a further question: what proportion of the federal debt is owed to foreigners?
喜欢算术的读者现在能回答一个进一步的问题：外国持有的联邦债务比例是多少？
2
A new superheated steam temperature control system is derived by combining the dynamic matrix proportion integration control arithmetic with the cascade control structure.
通过将动态矩阵比例积分控制算法与串级控制相结合，提出了一种新的火电厂锅炉过热汽温控制方案。
3
The paper bring forward a fuzzy controller of self-tuning proportion factor based on PI arithmetic.