Add, delete, and change the trait scales as needed.

添加，删除和改变特征尺度是现实需要的。

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However, indexes can either increase or decrease the performance of operations to add, change, and delete database records.

然而，索引要么增加要么减少了添加，变更，以及删除数据库记录的操作执行。

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With only a few clicks, administrators can create and delete users and groups, modify group memberships, and change user passwords.

只需要少许单击操作，管理员便可以创建和删除用户和组、修改组成员以及更改用户密码。

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Traystman says she immediately texted a friend and asked that person to change the passwords and delete some of her messages.

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In a talk at the Black Hat security conference in Barcelona Thursday, Greek researcher Thanassis Giannetsos plans to present a new software tool that he and two colleagues have written that they say would allow a malicious hacker to penetrate a sensor network and change or delete data at will.

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You can also go back and delete a picture or a post or change the audience.

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