Comparing with prior art, the invention adds functions for adding, deleting and modifying files so as to improve usage that discuss group is in use for chatting situation only. Before conference begins, user can upload topic for discussion; or in conference process, discussing data material can be uploaded and edited. It is convenient for users to transfer files through the invention.
基于1个网页-相关网页
Comparing with prior art, the invention possesses advantages of retaining toughness of material and reducing production cost besides raising performances of huge magnetic resistance.
该方法与现有技术相比具有提高巨磁阻抗性能的同时保持材料原有韧性，降低生产成本的优点。
Comparing with the prior art, the utility model has the advantages of high safety and no slipping of the steel wires.
本实用新型与已有技术相比，具有安全性高，钢丝绳不会打滑的优点。
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