Zhu the flight engineer will be responsible for routine maintenance and repair of the space station and technical tests and experiments.

飞行工程师朱杨柱将负责空间站的日常维护和维修以及技术测试和实验。

And all this equipment will require maintenance and repair.

所有这些设备都需要维护和修理。

We aim to develop compounds that fool cells into activating maintenance and repair.

我们的目标是研发出一 种药物用以诱导细胞进行自主修复。

Considering the total cost of ownership, including maintenance and repairs, can guide economical choices in big-ticket items.

考虑到总拥有成本，包括维护和维修，可以指导在大件物品的经济选择。

If it goes like it's been going, it will first affect goods related services such as transportation, manufacturing services on physical inputs owned by others and maintenance and repair services.

如果这种情况一直持续下去，它将首先影响到与商品相关的服务，比如运输制造服务，以及维护和维修服务。

By investing in their maintenance and repair, we can ensure that they continue to be passed down to future generations as an important part of our cultural heritage.

通过对它们的维护和维修进行投资，我们可以确保它们作为我们文化遗产的重要组成部分继续传承给后代。

While some argue that there is too much money spent on maintenance and repair, others hold that old buildings are essential to our cultural heritage and should be preserved.

有些人认为, 在维护和维修方面花费了太多资金, 而另一些人则认为, 旧建筑对我们的文化遗产至关重要, 应该予以保留。

Air freight could be used, although this is more expensive and likely to be activated for urgent shipments, such as out-of-stock raw materials for production, or spare parts for maintenance and repair.

可以使用空运， 尽管这更昂贵并且可能被激活用于紧急运输，例如用于生产的缺货原材料， 或用于维护和修理的备件。