同一Unicode转义字符在不同机器上的不同字符

在我的本地机器上，如下:

Trace.Warn("'u012b");

输出这个(这是错误的):

ī

然而，在另一台机器上，(例如。: http://www.volatileread.com/UtilityLibrary/SnippetCompiler):

Console.WriteLine("'u012b");

输出:

发生了什么?

编辑:我从这里使用这个函数:任何库将数字拼音转换为带有音调标记的拼音?

public static string ConvertNumericalPinYinToAccented(string input)
{
    Dictionary<int, string> PinyinToneMark = new Dictionary<int, string>
    {
        {0, "aoeiuv'u00fc"},
        {1, "'u0101'u014d'u0113'u012b'u016b'u01d6'u01d6"},
        {2, "'u00e1'u00f3'u00e9'u00ed'u00fa'u01d8'u01d8"},
        {3, "'u01ce'u01d2'u011b'u01d0'u01d4'u01da'u01da"},
        {4, "'u00e0'u00f2'u00e8'u00ec'u00f9'u01dc'u01dc"}
    };
    string[] words = input.Split(' ');
    string accented = "";
    string t = "";
    foreach (string pinyin in words)
    {
        foreach (char c in pinyin)
        {
            if (c >= 'a' && c <= 'z')
            {
                t += c;
            }
            else if (c == ':')
            {
                if (t[t.Length - 1] == 'u')
                {
                    t = t.Substring(0, t.Length - 2) + "'u00fc";
                }
            }
            else
            {
                if (c >= '0' && c <= '5')
                {
                    int tone = (int)Char.GetNumericValue(c) % 5;
                    if (tone != 0)
                    {
                        Match match = Regex.Match(t, "[aoeiuv'u00fc]+");
                        if (!match.Success)
                        {
                            t += c;
                        }
                        else if (match.Groups[0].Length == 1)
                        {
                            t = t.Substring(0, match.Groups[0].Index) +
                                PinyinToneMark[tone][PinyinToneMark[0].IndexOf(match.Groups[0].Value[0])]
                                + t.Substring(match.Groups[0].Index + match.Groups[0].Length);
                        }
                        else
                        {
                            if (t.Contains("a"))
                            {
                                t = t.Replace("a", PinyinToneMark[tone][0].ToString());
                            }
                            else if (t.Contains("o"))
                            {
                                t = t.Replace("o", PinyinToneMark[tone][1].ToString());
                            }
                            else if (t.Contains("e"))
                            {
                                t = t.Replace("e", PinyinToneMark[tone][2].ToString());
                            }
                            else if (t.Contains("ui"))
                            {
                                t = t.Replace("i", PinyinToneMark[tone][3].ToString());
                            }
                            else if (t.Contains("iu"))
                            {
                                t = t.Replace("u", PinyinToneMark[tone][4].ToString());
                            }
                            else
                            {
                                t += "!";
                            }
                        }
                    }
                }
                accented += t;
                t = "";
            }
        }
        accented += t + " ";
    }
    accented = accented.TrimEnd();
    return accented;
}

。: ConvertNumericalPinYinToAccented("ba2itia1n");工作版本:http://volatileread.com/utilitylibrary/snippetcompiler?id=22734