理解实现新需求的成本对于在合理的时间内产生新的版本非常关键。
Understanding the cost of implementing new requirements is key to producing a new version in a reasonable amount of time.
而很多时候,这种编排可能也不是采用松耦合的、外化的技术(如bpel)来实现的,因为非功能性需求的成本可能太高了。
A lot of times, this choreography may not be actualized in a loosely-coupled, externalized technology, like a BPEL, because the cost on non-functional requirements may be too high.
由于减少使用石油、天然气和煤这些廉价丰富的化石燃料,以满足世界能源需求的成本可观,减排已成了激烈争议的问题。
Reducing emissions has become a fiercely-contested issue because ofthe cost of easing use of oil, gas and coal, the cheap and abundantfossil fuels that meet most of the world's energy needs.
That's where the marginal cost and the demand thing, demand lines intersect.
应该是在边际成本,与需求曲线的交点上
It's where the marginal cost and the demand curve intersects.
边际成本与需求曲线的交点处
The quantity where demand and marginal costs equal.
需求曲线和边际成本的交点叫什么
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