Coupling between lower and upper atmosphere

the time intercal between the upper and lower cut

Interaction between atmosphere and ocean

interaction between atmosphere and sea

Coupling between lower atmosphere and ionosphere

distance between lower and upper rolls of segment

Heat and mass exchange between the atmosphere and lake

hydraulic gradient between upper and lower reaches

potential short circuit between upper and lower electrode

temperature difference between upper and lower casings

temperature difference between upper and lower walls

thermal difference between upper and lower surface

Divergence in the upper and lower troposphere

Ratio of the upper and lower jaw

the lower and upper approximation

the upper and lower approximations

the upper and lower bounds

integration and interconnection

Interaction between the basic flow and the waves