比如，他花了大量的皇室财富去建造和维持六个慈善布施房。
For example, he spent much of the royal Treasury on the building and running of six houses of charity.
这是因为要建造和维持这些农场的开销相当大（因为它们大都建在高租金地段），且其他地方生产的粮食也相对便宜。
This is because they are costly to develop and maintain (since they are in high-rent areas) and the product—food—is already made cheaply elsewhere.
亨特和利波认为，建造摩艾岛的活动有助于维持岛上居民之间的和平。
Hunt and Lipo contend that moai-building was an activity that helped keep the peace between islanders.
他们在《热带生物》杂志中报告，这15种蝙蝠中有10种用棕榈叶和其它坚固的植物材料建造帐篷，这样的帐篷一般能维持一年多。
As they report in Biotropica, ten of these 15 build their tents from palm leaves and other sturdy plant materials. Such tents often survive for more than a year.
除了安全选址和建造有抗灾能力的建筑物以外，良好的规划并事先开展应急演习，也有助于维持至关重要的功能。
Apart from safe siting and resilient construction, good planning and carrying out emergency exercises in advance can help maintain critical functions.
本船建造期间应组织和维持一个全面而有效的探火、防火、灭火系统。
A comprehensive and effective system of fire detection, protection and fighting to be organized and maintained while the vessel is under construction.
本船建造期间应组织和维持一个全面而有效的探火、防火、灭火系统。
A comprehensive and effective system of fire detection, protection and fighting to be organized and maintained while the vessel is under construction.
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