1·Helicopters have been upgraded and modernized.
直升机已经升级并且装上现代化设备。
—— 《柯林斯英汉双解大词典》
2·Medical facilities are being reorganized and upgraded.
医疗设施正在进行重组和升级。
—— 《柯林斯英汉双解大词典》
3·The entire structure has benefited from an upgraded maintenance program that has also included restoration of some of the EEOB's most spectacular historic interiors.
整个结构得益于一个升级的维护项目，包括对 EEOB 最壮观的历史内景的修复。
4·Most of our customers have now upgraded to a high-speed broadband connection.
我们大多数的客户现已升级至高速宽带连接。
—— 《柯林斯英汉双解大词典》
5·Some product combinations lead to a situation where the existing product must be upgraded to the product that offers more functionality.
当已有的产品必须升级从而获得更多的功能时一些产品组合可能会出现这样的情况。