任何規範的data set(s) 都應該有相應的definitions的，這樣才可以讓數據使用者正確地理解和解讀。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
