rask
- n.拉斯克
rask-
Specially , the global economic crisis since the end of 2007 had aggravated the rask of coal enterprises due to the uncertainty of needs and supply .
特别是2007年末全球经济危机以来，各种需求供给的不确定更是加剧了煤炭企业的风险。
-
After considering actual needs for digital rights manager and security rask , a new watermark and cryptography based model for digital rights management ( DRM ) is proposed , which includes seven objects , three of them are authenticity .
综合考虑数字版权保护的实际需求和安全隐患，结合水印技术和密码技术提出了一种新的数字版权保护模式（WCDRM）。