color-difference evaluation  色差评价

spatial difference evaluation  空间差异评价

vacuum pressure difference investment casting  真空压差精密铸造

investment evaluation  投资评价; 投资价值; 投资评估

investment evaluation index  投资评价标准

safety investment evaluation  安全投入评价

closed difference of height difference  高差闭合差

difference in difference  倍差法

difference in difference (DD) method  差异中之差异法

Difference-in-difference  双重差分模型

log mean temperature difference; logarithmic mean temperature difference  对数平均温差

logarithmic mean temperature difference; log mean temperature difference  对数平均温差

temperature difference; logarithmic mean; log mean temperature difference  对数平均温差

Actual investment Virtual investment Unity Disparity Harmony  临界热流密度比

Agriculture investment New guarantee system State fund supporting agriculture Credit fund Investment from the peasants  颈片; 滴滴微皮; 二氯松

Surplus reserve-reture investment by investment  盈余公积-利润归还投资

evaluation of hydrocarbon resources evaluation  油气资源评价

evaluation of security evaluation  生态安全评价

+ expression difference  表达差异