经热喷锌、铝处理后的钢面，一般在空气中可以保持20年不锈。
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收购要约期届满前15日内，收购人不得更改收购要约条件。（）
A. 正确
B. 错误
A customer is interested in purchasing a new IBM System Storage DS8000 solution to consolidateolder ESS and F20 storage systems. What should be done first, prior to final proposaldevelopment?（）
A. perform a Disk Magic study
B. review eConfig with a technical specialist
C. confirm that the customer has enough ports available in the SAN infrastructure
D. submit configuration to IBM System Storage Interoperability Center for validatio
ISO100与ISO400胶卷是相同感光度的胶卷。
A. 正确
B. 错误
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