Humans have increasingly expanded their control of the production of essential food supplies.

人类不断增强了对必须食品生产的控制.

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Vitamins became recognized as essential food constituents necessary for health.

维生素被认为是健康所需的重要食物成分.

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Objective To study the effect and the clinical application of essential food.

目的研究要素饮食的临床应用及效果.

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Nitrogen is an essential food for plants.

氮是植物一种必不可少的养分.

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Is the distinction with Chinese meal and the most essential - food the distinction of raw material? Either.

中餐与西餐最根本的区别是原料的区别 吗 ?不是.

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A total of five layers in this Pagoda, covering essential food we should eat everyday.

中国膳食平衡宝塔共分五层, 包含我们每天应吃的主要食物种类.

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