英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • E. 164 - Wikipedia
    E 164 defines a general format for international telephone numbers Plan-conforming telephone numbers are limited to only digits and to a maximum of fifteen digits [1] The specification divides the digit string into a country code of one to three digits, and the subscriber telephone number of a maximum of twelve digits
  • Telephone numbering plan - Wikipedia
    It is an open numbering plan but imposes a maximum length of 15 digits to telephone numbers The standard defines a country code for each member region which is prefixed to each national telephone number for international destination routing
  • List of telephone country codes - Wikipedia
    Telephone country codes are telephone number prefixes for reaching subscribers in foreign countries or areas by international direct dialing (IDD) Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E 123 and E 164 and constitute the international telephone numbering plan of the public switched telephone network (PSTN) and other networks
  • List of ISO 3166 country codes - Wikipedia
    The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted See the ISO 3166-3 standard for former country codes
  • National conventions for writing telephone numbers - Wikipedia
    National conventions for writing telephone numbers vary by country The International Telecommunication Union (ITU) publishes a recommendation entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses Recommendation E 123 specifies the format of telephone numbers assigned to telephones and similar communication endpoints in national telephone
  • MSISDN - Wikipedia
    MSISDN format The ITU-T recommendation E 164 limits the maximum length of an MSISDN to 15 digits 1-3 digits are reserved for country code Prefixes are not included (e g , 00 prefixes an international MSISDN when dialing from Sweden)
  • Telephone numbers in Germany - Wikipedia
    Area codes remained unchanged, variable in length Exceptions to the eleven-digit rule are the cities of Berlin, Frankfurt, Hamburg, and Munich, which are the only cities with two-digit area codes and have ten-digit numbers to avoid exceeding the maximum length of eight digits for a subscriber number [2]
  • Telephone numbers in Europe - Wikipedia
    Calling codes in Europe Telephone numbers in Europe are managed by the national telecommunications authorities of each country Most telephone country codes start with 3 and 4, but some countries that are considered European have country codes starting on numbers most common outside of Europe (e g Faroe Islands of Denmark have a code starting on number 2, which is most common in Africa) The





中文字典-英文字典  2005-2009