This paper presents a new discrete transport concept on extruder's solid-conveying zone. A three-dimensional stereo-discrete transport model is set up in solid-conveying zone.

提出了挤出机固体输送段离散输送的新概念，建立了固体输送段的三维立体离散输送模型。

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The concept of "integrated rural transport" was adopted in the task of examining the transport needs of the rural households in the district.

“综合乡郊运输”的概念是在研究区内乡郊家庭的运输需求时采用的。

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The concept of integrated rural transport is now well established in Tanzania, where a major program of rural transport is just about to start.

现如今，在坦桑尼亚，农村综合交通的观念已经深入人心，并且该国一个大型的农村交通项目也即将启动。

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The IRU is a very strong supporter of the concept of combined transport i.e. road and rail being used together in a complementary fashion.

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In the future, he adds, the concept could also be adapted to enhance the transport or distribution systems of large cities.

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Transport projects are usually evaluated in terms of net social value, a standard concept in economics.

ECONOMIST: Letters