The Collaborative Working Principle of Variable Frequency Power Supply and Motor According to the asynchronous motor speed ...

Mr. Chairman, my name is David Muhlhausen. I am a policy analyst at the Heritage Foundation Center for Data Analysis specializing in crime policy and program evaluation. In beginning my testimony I ...

Contrôler les variables dans les systèmes sociaux - Une approche de modélisation structurelle. En sciences sociales, lors de l’étude de relations causales, il n’est en général pas évident de choisir ...

operand something to be operated on. An operand can be a variable, a SAS function, or a constant. See Specifying an Operand. operator a symbol that requests a comparison, logical operation, or ...