学习曲线理论说随着生产的产品数量翻倍，成本以可估的比率下降。
Learning curve theory states that as the quantity of items produced doubles, costs decrease at a predictable rate.
流动性风险与当前的次贷危机：向下流动性螺旋曲线理论。
Liquidity risk and the current crisis: downward liquidity spirals.
由光致折射率变化曲线理论计算出了衍射效率随波长变化曲线。
The holographic diffraction efficiency spectrum was theoretically calculated from the photoinduced refractive index change spectrum.
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