fewer teeth difference transmission
in situ transmission difference FTIR spectroscopy
Small tooth number difference transmission
fewer teeth difference planetary transmission
gear transmission of one difference tooth
small tooth number difference planetary transmission
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
AC transmission line parallelly erected with DC transmission lines
+ expression difference
27-point difference sheme
2kL method of the optical-path difference