R variable 反应变量
member r variable 成员变量
pointer r variable 指示字变量
air r variable capacitor 空气可变电容器
r-variable matching algorithm 可变r匹配算法
R Coronae Borealis variable 北冕座R型变星
Well, yes, we probably want to use part of a cylindrical coordinate, r except for, well, we don't want r because r doesn't change, it is not a variable here.
我们需要用到哪些坐标，我们也许会用一部分柱坐标，但有一个例外，即我们不需要,因为它不变，r在这里不是个变量。
Based on attribute identification theory, the comprehensive evaluation model of variable weight for quality of existing R. C. structures is established to evaluate the durability of the structures.
根据属性识别理论，建立了既有钢筋混凝土构件质量综合评判的变权模型，对既有钢筋混凝土构件进行耐久性评估。
The beam scan with variable linear polarization directions of antenna arrays using MM/C transmit-receive (T/R) modules is explored.
研究了由单片微波集成收发组件所构成天线阵的可变极化扫描问题。
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