题目内容

下列哪个性质是纳米材料所不具备的（）。

A. 易分散性
B. 量子尺寸效应
C. 介电限域效应
D. 宏观量子隧道效应

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An IT director is eager to adopt POWER7 servers because of their relative performance ratings and energy efficiency， but is concerned about migrating applications which require AIX 5.3. Which of the following will address his concern？（）

A. POWER7 servers running AIX 5.3 operate in POWER5+ mode.
B. POWER7 servers running AIX 5.3 operate in POWER6 and POWER6+ mode.
C. POWER7 servers running AIX 5.3 operate in POWER5 and POWER6 modes.
D. POWER7 servers running AIX 5.3 operate in POWER6 and POWER7 modes.

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