rpi
[ˌɑ:r]
abbr.
read progress index(ing) 有效进度指数;
real progress Index(ing) 真实的进度指数;
rated position identifier 确定的位置标志符（号）;
revolutions per inch 每英寸走刀（主轴）转数;
例句:
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Today's RPI figure shows inflation running at 10.9 per cent.
今天的零售物价指数显示通货膨胀率为10.9％。
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Methods The effects were se en by using RPI and F tests.
方法 通过目测利用相关密度指数(RPI)和F测验的方法.
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The modified RPI clasp was described and compared with the conventional RPI clasp in the article.
描述了改良RPI卡环的设计,并与传统RPI卡环相比较.
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The RPI is the longer-standing of the two measures.
来自THETIMES
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These valuable lessons I learned at RPI on projects similiar to this.
来自SA
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However, retirement income, investment and services will remain linked to RPI.
来自THETIMES