closed difference of height difference

difference in difference

difference in difference (DD) method

Difference-in-difference

log mean temperature difference; logarithmic mean temperature difference

logarithmic mean temperature difference; log mean temperature difference

temperature difference; logarithmic mean; log mean temperature difference

+ expression difference

0-side difference

27-point difference sheme

2D finite-diffrence

2kL method of the optical-path difference

2nd-order difference ARED

3-bands grads difference method

3-D explicit finite difference

3-D finite difference

3D finite difference method

3D finite difference migration

3D finite-difference