The CIEDE 2000 color difference formula is the most advanced one for color difference calculation.

IEDE 2000色差公式是迄今为止最为先进的色差计算公式。

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The set of formulas consists of DFT of sampled data, phase difference calculation and frequency calculation.

频率估计公式包括采样序列DFT、相位差计算和频率计算。

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Aiming at the problem of on-line calculation to the temperature field for turbine rotor, the Crank-Nicolson finite-difference calculation model was given.

针对汽轮机转子温度场的在线求解问题，给出了克兰克·尼科尔森差分计算模型。

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What was the difference between the satellite-fed number and Mr Sharma's "manual" calculation?

BBC: India

Satellites have long been used to track ice extent (area), but calculating the thickness of the marine floes requires the overflying spacecraft to gauge the difference between the top of the ice surface and the top of the water - a relatively simple calculation then gives the overall volume.

BBC: Launch success for Esa's Cryosat-2 ice mission