Micro fluid variable-focus lens

soil layer with variable properties

Variable Properties

effects of fluid properties

Fluid Properties

fluid-fluid contact

fluid-fluid interface

fluid-fluid reaction

Fluid-Fluid Separation

Identification of Fluid Properties

reservoir fluid properties

Varying properties fluid

alternating current Variable Voltage Variable Frequency

explosion-proof variable frequency variable speed

function of complex variable complex variable

independent variable×subject variable design

input variable and output variable

LMS algorithm with variable step size and variable

stator variable voltage variable speed