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R 开头的英语单词（共 156,943 个）
ratio of heat transfer to skin friction
热传导与表面摩擦比
ratio of imports to gross domestic product
进口额对国内生产总值的比率
ratio of indirect wages
[经] 间接工资的比率
ratio of inertia
惯性比
ratio of inside to outside equities
[财]资本对负债比率
ratio of integers
[数] 整数比
ratio of interest expense to sales
利用费用与销货比率
ratio of internal reserves to net profits
内部准备对净利润比率
ratio of inventories to receivables
[经] 存货对应收款项的比率
ratio of inventory to receivable
存货对应收款项比率
Ratio of investments
[网络] 出资比例
ratio of knotting tension
[机] 打结率
ratio of lay
捻比系数
ratio of lear to bone
骨与瘦肉比
ratio of lens aperture
透镜孔径比