Easy installation and upgrade.

可以轻松地安装和升级。

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Automated client installation and upgrade.

自动化客户机安装和升级。

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Ease of installation and upgrade are important too, and unwanted features must be avoided to keep cost and complexity in check.

容易安装和升级也很重要，必须去掉不需要的功能以控制成本和复杂性。

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For that reason and to help pay for the purchase and installation of the upgrade some builders require upgrade deposits in advance.

WSJ: That'll Be Extra

Aircraft installations of the new technology will typically take place overnight and will require the installation of two antennas, one on each side of the aircraft, installation of a second modem and a software upgrade.

ENGADGET: Gogo launches next-gen in-flight internet, with better speeds and more capacity

"We benefit from missing one or two upgrade cycles, " he says, citing the cost and hassle of installation and the toll on the mind.

FORBES: Magazine Article