default user name meaning in English

缺省用户名

If these parameters are not specified , the default user name and company name values for the server are used
默认值：如果未指定这些参数，则使用服务器的默认用户名值和公司名称值。
Because you need to provide a user name and password to deploy resources to the application server , use the default user name ,
因为需要提供用户名和口令来部署应用服务器的资源，所以会用到默认用户名
If the user name already exists , the db2 setup wizard appends a number from 1 - 99 to the default user name , until a user id that does not already exist can be created
如果该用户名已经存在， db2安装向导就会在默认的名称后面增加一个1 - 99的数字，直到遇到一个不存在的用户id 。