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R 开头的英语单词（共 156,943 个）
reciprocal relationship
[计] 互反关系
reciprocal relative dispersion
相对色散的倒数
reciprocal rhythm
[医] 逆节律(心电图)
reciprocal rule
交互规则
reciprocal sale
[经] 互卖
reciprocal sales
互惠销售法
reciprocal salt pair
平衡盐对
reciprocal saw
[木] 往复锯
reciprocal sec
秒倒数
reciprocal selection
交互选择
reciprocal series
反转级数
reciprocal service
[经] 交互服务
reciprocal shareholdings
[经] 相互持有股权
reciprocal sight
对向照准
reciprocal sonde
互换电极体
reciprocal space
[化] 倒易空间
reciprocal space lattice
逆空间晶格;倒空间晶格
reciprocal space method
倒易空间法
reciprocal spacing
倒易间距
reciprocal spiral
反比螺线;倒螺线;双曲螺线
reciprocal spreading
互换展开
reciprocal square root
[计] 反平方根
reciprocal strain ellipsoid
【力学】倒应变椭球