新老板是为所有维修和升级费用。
The new proprietor is in charge for all repairs and upgrading.
它取代了乔治·华盛顿号航空母舰，后者正在返回美国进行维修和升级。
It replaces the USS George Washington, which is headed back to the U. s. for maintenance work and upgrades.
在2002年9月，发现号航天飞机的第二次重大修改(船上监测手册)用于维修和升级的时期做好准备。
In September of 2002, Discovery was ready for its second Orbiter Major Modification (OMM) period for maintenance and upgrades.
2009年5月，美国宇航局宇航员对当时已经19岁的“哈勃”进行维修和升级，期间安装了WFC3。
WFC3 was installed by NASA astronauts in May 2009, during the servicing mission to upgrade and repair the 19-year-old Hubble telescope.
所有权一般都被看作是打开美国梦大门的钥匙，但是隐藏在其背后的成本却很少被人谈及，比如不断的维修和升级，又比如各种财产所需的照料。
Ownership is supposed to be the key that unlocks the American dream. But there are hidden costs that no one talks about, like the constant repairs and upgrades and attention that possessions demand.
可用性：是否可以安全的使用，升级和维修？
Serviceability – Is it easily and safely serviced, upgraded or repaired?
是否可以安全的使用，升级和维修？
Serviceability - Is it easily and safely serviced, upgraded or repaired?
这种权力事件有关，有必要升级和维修中央PDU（电源分配单元），它需要的PDU是脱机。
This power event is related to a necessary upgrade and repair to a central PDU (power distribution unit) and it requires the PDU to be taken offline.
维修和保养费用计入发生，重大的更换和升级计入资产。
The cost of repairs and maintenance is expensed as incurred; major replacements and improvements are capitalized.
维修和保养费用计入发生，重大的更换和升级计入资产。
The cost of repairs and maintenance is expensed as incurred; major replacements and improvements are capitalized.
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