listEning 2 "EnvironmEntAl sCiEnCEClAss"
{$mEDiAurl}

how DiD thE tEllus institutE solvE thE proBlEm oF intErmittEnt winD
A、By BuilDing twiCE As mAny winD FArms in proBlEm ArEAs
B、By moving winD FArms into ArEAs oF stEADy winDs
C、By using morE winD turBinEs on EACh winD FArm
D、By sEpArAting onE winD FArm into two loCAtions