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- 比例积分系数proportion integral modulus
- 比例积分结构PI structure
- 区间比例积分微分控制器理论在制导炸弹控制系统设计中的应用Application of Interval PID Theorem in the Design of Guidance Bomb Flight Control System
- 比例积分（PI）proportion integration(PI)
- 预测比例积分控制predictive proportional integrator control
- 产出应和产入成比例。The output should be proportional to the input.
- 他的总积分是一百五十五。His total score was one hundred and fifty-five.
- 男女的比例是二比一。The ratio of men to women was two to one.
- 记录一积分tally a score
- 要把前景中的人物画得合比例.Try to draw the figures in the foreground in proportion.
- 奇异积分的交换子commutator of singular integrals
- 人口中男女的比例是多少?What is the proportion of men to women in the population?
- 泛函积分functional integration
- 价格和需求成比例。Price is relative to demand.
- 含参变量积分integral with parameter
- 这扇门就其高度的比例而言窄了些。This door is narrow in proportion to its height.
- 对称核积分方程integral equation with symmetric kernel
- 按比例提高工资to scale up wages
- 积分为25。The game is 25.
- 按比例画某建筑物draw the buildings in perspective
