rask
- n.拉斯克
rask
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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。
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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)。