第二,我们将直接在位于数据库根的键下面存储然后删除一些简单的值和数据结构。
Second, we will store and then delete some simple values and data structures directly under keys at the database root.
第一个字符串定义了表,第二个字符串定义了键。
The first string defines the table and the second defines the key.
然后,您会看到第二个开机画面,按下回车键来选择默认。
You'll then see a second boot screen; press your Enter key to select the default.
Our second bond is going to be between the carbon and the hydrogen atoms.
第二种键是,碳氢之间的键。
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