They typically have very high fixed costs of research and development and low marginal costs of adding additional users.

它们仅仅具有很高的用于研发的固定成本和极低的由新增服用者引发的边际成本。

youdao

The big gap between the headline and effective marginal taxrates reflects the large number of allowances given to firms for doingparticular activities, such as research and development.

法定税率和有效边际税率的巨大差异反映了各国种类繁多的优惠政策，比如补贴研发项目等等。

youdao

Second, a basic development plan should be found for a prospect with marginal economy in the block evaluated, and then a parameterization should be made for the plan.

在评价区寻找一个处于经济界限边缘的含气构造开发基础方案并进行相关参数化处理；

youdao

The incredible advances that have been made to medicine and health care in the developed world over the past 100 years have been based on continuous development, on marginal improvements, each one driving the next advance and each one building on the last, until we have reached the stage we are at now.

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The right price, he said, is low enough to facilitate global economic growth but high enough to incentivize development of not just marginal oil and gas fields but even renewable energy sources.

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The big gap between the headline and effective marginal tax rates reflects the large number of allowances given to firms for doing particular activities, such as research and development.

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