不变量: invariant理论: theory定量理论: quantitative theory动量理论: momentum theory计量理论: measurement theory扭量理论: twistor theory全量理论: total strain theory数量理论: quantity theory增量理论: incremental theory不变量: constant magnitude; constantmagnitude; invariant measure; invarient不变的;不变量: invariable贝兹动量理论: betz momentum theory标量张量理论: scalar-tensor theory幻影能量理论: phantom energy货币数量理论: quantity theory of money畸变能量理论: distortion energy theory计量理论,计量论: measurement theory经济批量理论: theory of economic lot sizes塑性全量理论: total theory of plasticity塑性增量理论: incremental theory of plasticity网络流量理论: network flow theory阿贝不变量: abbe invariant半不变量: half invariant; semi-invariant保持不变量: hold constant标量不变量: invariant