liú bǐ ㄌㄧㄨˊ ㄅㄧˇ 同类比照类推。 北齐 颜之推 《颜氏家训·文章》：“世人或有文章引《诗》‘伐鼓渊渊’者，《宋书》已有屡游之诮；如此流比，幸须避之。”《宋书·殷琰传》：“去冬开天之始，愚迷者多，如足下流比，进非社稷宗臣，退无顾命寄托，朝廷既不偏相嫌责，足下亦复无所独愧。”
如不注意密流比效应，可能导致设计错误。
The neglect of density flow ratio effect can lead to errors in aerodynamic design.
这样的短期运行流比等效的长期运行流快5到15倍，因此建议尽量使用。
Such short-running flows can run between five and fifty times faster than comparable long-running flows and are recommended, where possible.
阐述了采用电流变换器的必要性，并详细地推导了电流变换器变流比的计算方法。
This article represented the necessity of applying current converter and deduced in detail the calculation method of current converter's transformer ratio.
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