Similar to Linux distributions packaging management and bundles (.rpm, .deb), these gems can also be queried, installed, un-installed and manipulated through the gem end-user utility.

与 Linux 发布打包管理和 bundle（.rpm、.deb）类似，通过 gem 终端用户实用程序也可以查询、安装、卸载和操作这些 gem。

youdao

The paper introduced the utility function that can calibrate the service level of transportation products on the basis of the maximum principle for user utility in selecting transportation products.

为此，研究了运输产品市场选择的用户效用极大化原理，建立了运输产品服务水平量化标定的效用函数；

youdao

You can even fail a utility based on various values, such as object name, user ID, or the presence of some specific utility syntax.

甚至可以基于不同的值使实用程序失败，这些值比如：对象名称、用户ID、或某些特定实用程序语法的出现。

youdao

Such networks provide the best utility to the user and the best potential value for the organizer.

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That means someone installing the smart wiring in the walls of buildings, the network firm providing the platform connecting the smart devices, the gadget-makers that provide an Apple-like user experience for every fixture, and the next-generation utility offering new forms or methods of energy delivery.

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To make it quick and easy to get rolling with Everio, Wi-Fi models are supported by a QR code-based Wi-Fi setup utility, and all models are supported by a mobile user guide that's been optimized for smartphone viewing.

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