All the presentation materials downloaded here are for internal reference only. You may not reproduce and upload any of the materials to public media. Any commercial use shall obtain the permission of original writers and the conference organizing committee. Failure to do so will infringe on copyright laws.

所有演讲稿的内容与形式仅供内部参考。未经原著者和大会主办方书面授权，不得在公众媒体传播或被作为任何营利的用途。如有违反，原著者和大会主办方将保留追诉于法律的权力。