mapx 单位有关问题

mapx 单位问题!
miUnitMeter 这个代表什么?是米吗?哪位高手告诉一下!

------解决方案--------------------
C/C++ code
enum MapUnitConstants
{
    miUnitMile = 0,
    miUnitKilometer = 1,
    miUnitInch = 2,
    miUnitFoot = 3,
    miUnitYard = 4,
    miUnitMillimeter = 5,
    miUnitCentimeter = 6,
    miUnitMeter = 7,    //应该是米,因为前面有千米 厘米什么的了。
    miUnitSurveyFoot = 8,
    miUnitNauticalMile = 9,
    miUnitTwip = 10,
    miUnitPoint = 11,
    miUnitPica = 12,
    miUnitDegree = 13,
    miUnitLink = 30,
    miUnitChain = 31,
    miUnitRod = 32
};

------解决方案--------------------
不是米是啥,但是不要和默认的单位Mile英里混了!
我当时就忽视了,呵呵