Standard economics can be divided into two major fields.

标准经济学可分为两个主要领域。

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There are two major fields of mathematical modeling of infectious diseases.

有两个主要领域的数学建模的传染性疾病。

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Specialty and major fields: Communication Theory, History of Communication Studies, Communication Culture.

主要研究领域：传播理论、传播学史、传播文化。

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Major concerns over delays in the construction of facilities, including stadium updates and practice fields at a number of the eight venues spread across the country, seem to have been resolved at the last moment.

VOA: standard.2009.10.22

Typically, they could have 20 million barrels of oil, or its gas equivalent (boe), whereas the major fields had as many as 500 million boe.

BBC: Study predicts growth in oil and gas field numbers

Ten oil companies--led by BP (nyse: BP - news - people )with a 34% stake and Unocal with 10.3%--are jointly developing major fields there.

FORBES: It's All About Azerbaijan

Today, the system is used in therapy and education, and can have a strong spiritual dimension -- but one of the first and major fields of use is business, where it has been adapted as a way of bringing insight into oneself and others.

CNN: STORY HIGHLIGHTS