Warning: file_put_contents(): Only 0 of 6127 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/201990.com/index.php on line 55 finiteness principle例句_finiteness principle英汉例句_finiteness principle双解例句_耀久九英英词典
This paper dissertates value finiteness and put forward a few principle in digital library developing personalized reference services. 本文论述了数字图书馆个性化参考服务价值的有限性,提出了开展个性化参考服务应遵循的原则。