好的口碑营销需要企业的主动把握，要求企业合理规划设计，这其中一定会产生费用的。
Good word-of-mouth marketing businesses needs to grasp the initiative, the reasonable requirements of enterprise planning and design, which will certainly give rise to costs.
复合材料结构设计是复合材料在结构上合理应用和降低全寿命周期费用的关键。
The composite material structural designing is the key to application to structure with science and reason and reduction in the whole life-span period's expense.
设计一个封闭循环的脱墨设施在技术上是可行的，但设施的费用较高，目前在经济上尚不尽合理。
Design a closed cycle deinking facility is technically feasible, the cost of the facility, however is high and not currently justifiable economically.
从全社会来看，刚修订的1600元费用扣除标准过高，税率设计不合理，不利于调节居民收入差距；
From the whole society, just revised expense deduct standard(1600 yuan)being too high and the design of the tax rate being not rational, are unfavorable to regulating resident's income difference;
通过理论的分析说明所设计的方案能够有更好的空气净化效果，并且能减少系统运行费用，是一种较为合理的空气处理方案。
According to the theoretical analysis, the new plan is a reasonable one because the air purification efficacy in hospital cleanroom would be better and the operation fee would be reduced.
方案设计是高速公路设计过程中的重要组成部分，直接影响到整个设计工程的合理性和建筑费用。
Project design is an important part of the whole freeway engineering design, which influents the rationality and construction fees of the whole engineering directly.
方案设计是高速公路设计过程中的重要组成部分，直接影响到整个设计工程的合理性和建筑费用。
Project design is an important part of the whole freeway engineering design, which influents the rationality and construction fees of the whole engineering directly.
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