Centering on building domain ontology of "crops cultivation", this paper discussed the ontology building principles, building methods and the evaluation of domain ontology.

围绕构建“农作物栽培”领域本体，探讨了本体构建的原则，常用的构建方法和本体的评估内容等。

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Taking Urumqi River Basin as a test region, this paper presents the building principles and approaches of multi-objective grey decision models for land irrigation system in the basin.

本文以乌鲁木齐河流域为试验区，介绍了干旱区流域土地灌溉系统的多目标灰色决策模型的构造原理和方法。

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This type of play, especially with building blocks, helps children discover and develop key principles in math and geometry.

这种类型的游戏，尤其是积木游戏，可以帮助孩子们发现和发展数学和几何的关键原理。

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As Linda Hirshman illustrated in "Victory: The Triumphant Gay Revolution, " the gay rights movement has changed attitudes toward same-sex couples by applying these movement-building principles.

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Dr Roberts was not alone in building a network using these principles.

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And he points to the popularity of atriums or courtyards that bring the natural environment into a building as one way the principles of feng shui are manifested in modern architecture.

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