The first attempt at creating a dictionary from a list fails because there are no matching key-data value pairs.

第一次从list创建dictionary的尝试失败了，这是因为没有匹配的键-数据值对。

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When you click on the Review Key Data button, the information you entered for the key (Figure 14) displays.

当您单击 Review Key Data 按钮时，将显示您输入的密钥信息（图 14）。

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Key selection: Key selection in multidimensional data modeling is a difficult issue.

键选择：多维数据建模中的键选择是一个难题。

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Hitachi's version "scrambles data using a password-generated key" as the data is written, and then descrambled with the key as it is retrieved using the highly-touted Advanced Encryption Standard (AES) algorithm.

ENGADGET: Hitachi to offer auto-encrypting hybrid notebook HDDs in 2007

Those apps include the MyLIU app, which gives students access to school services, a separate BlackBoard app for their classes, and a Citrix app for faculty and administrators accessing key university-hosted data.

FORBES: Long Island University deploys 6,000 iPads, may double that next year

Traders and investors are awaiting some key, market-sensitive data due out Thursday and Friday.

FORBES: Comex Gold, Silver Slightly Lower on Mild Profit-Taking; Fresh Fundamental News Awaited