Theoretically, MOC is the whole cost of employing an unit of certain natural resource.

理论上，边际机会成本应该相当于利用一单位某种自然资源的全部成本。

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The adopted connections of the specimens integrate the pre-cast wall panel, the cast-in-site column, and the foundation as an unit.

采用的连接方式能将预制墙板、现浇柱及地梁连接成整体。

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Optimizing portfolio is that the least risk in an unit return or the most return in an unit risk on the basic definition of Markowitz.

根据马科维茨的定义，有效组合是指其单位收益的风险最小或单位风险的收益率最大。

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And an organization in South Dakota has a mobile unit for buffalo.

VOA: special.2010.08.03

It is not an SI unit because it is not a multiple of 10 to the 3rd, but I like the angstrom.

它不是国际制单位，因为它不是,10的3次方进制，但我还是喜欢这个单位。

麻省理工公开课 - 固态化学导论课程节选

Dialysis, this is an example of a membrane dialysis unit.

透析技术,这里是一个膜透析的装置

耶鲁公开课 - 生物医学工程探索课程节选

The company avoids UK tax by channeling non-U.S. sales via an Irish unit, an arrangement that allowed it to pay taxes at a rate of 3.2 percent on non-U.S. profits.

FORBES: The Gorgeous Joy Of Tax Dodging By Starbucks, Google And Amazon

Together, the camera and laser sensors monitor the white lines and, if the car strays out of its lane, an electronic control unit attached to an electric power-steering unit corrects it.

ECONOMIST: Motoring

It includes the theatre, Victoria Court sheltered accommodation, some community buildings and an industrial unit.

BBC: Views sought on Guildford's Bellerby Theatre site plans