他送给我一张他亲笔署名的绘画。
署名权，即表明作者身份，在作品上署名的权利；
the right of authorship, that is, the right to claim authorship and to have the author's name indicated on his works;
这将防止对署名的修改，或者阻止对 BI 10.1 环境中权限的覆盖。
This will prevent modifications to signons or permissions made in the BI 10.1 environment from being overwritten.
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