In order to help users switch over, Google has provided an upgrade guide with a list of incompatibilites between the two versions.
为了帮助用户切换到新版本，Google 提供了一个升级指南并列出两个版本之间的不兼容之处。
It is possible to switch all stores to the new version simultaneously, but a more practical approach is to let some or all of the stores upgrade just a few of its POS terminals to start with.
当然，可以要求所有连锁店一起切换到新版本的应用程序，但更实际的方法则是让一些或全部连锁店开始只升级其部分 POS终端。
You can then optionally switch on and off your extensions using method configurations as well as easily upgrade to newer versions of the original elements and reapply your changes.
这样你就可以使用方法配置有选择地打开或关闭你的扩展，还可以方便地把原始元素升级到更新的版本并重新应用你的变化。
This upgrade will require some light modifications to the Aircraft connecting harness and the control switch wiring.
这个升级将需要对飞机的连接器件和控制开关线路进行一些小改动。
Whether you work for a company that won’t get rid of IE6 or have parents that just don’t see the need to ugprade, here are five new reasons to upgrade or switch browsers
不管你是在为一个不准备更换IE6的公司工作还是有无视更新浏览器必要的父母，这里有送你五个新的更新或者更换浏览器的理由。
Apple hopes that more consumers will switch to its new upgrade programme, which incentivises them to buy a device every 12 months.
苹果希望更多消费者升级其新程序，这将激励他们每12个月买一部手机。
They either use this program to upgrade their skills or to switch careers.
有的是想通过该课程的学习来提高自己的技能，有的是想变换职业。
They either use this program to upgrade their skills or to switch careers.
有的是想通过该课程的学习来提高自己的技能，有的是想变换职业。
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