local test = {}    for i = 10, 10000 do        test[ i ] = {}    end    local t1 = os.clock( )    for i = 1, 100000 do        test[ 1000 ].mValue = http://www.mamicode.com/100    end    local t2 = os.clock( ) - t1    Misc.Trace( "cost - " .. t2 )    t1 = os.clock( )    local d = test[ 1000 ]    for i = 1, 100000 do        d.mValue = 100    end    t2 = os.clock( ) - t1    Misc.Trace( "cost - " .. t2 )