科学家们经常利用经过特殊喂养或者基因工程改造的小鼠来获取与人类疾病相似的疾病模型，并通过这些模型来研究这些疾病的深层大脑结构的病理改变。
Scientists study many diseases of the deep brain using mouse models, mice that have been bred or genetically engineered to have diseases similar to human afflictions.
所建立的数学模型对自动语音导航系统的自主性深层开发，提供了有益的参考。
A beneficial reference is provided for deep independent development of automatic voice guide system with derived mathematic model.
应用该模型实现了高浓度深层渗碳的计算机实时控制。
This model is used to achieve the calculation and actual time control of deep carburization with high concentration.
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