During the training stage, each dog was shown only the upper half or the lower half of the person's face.

在训练阶段，每只狗只看到人脸的上半部分或下半部分。

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The study showed the animals had figured out how to apply what they learned about human faces during training to new faces in the testing stage.

研究表明，这些动物已经知道如何在测试阶段将它们在训练中所学到的人脸知识应用到新面孔上。

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At the end of this stage, IDs should have a clear understanding of the training needs of their target audience.

在这个阶段的最后，指导设计师应该对他们的目标听众的培训需求有一个清楚的认识。

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Participants, many of whom are sailing novices, come from all walks of life and undergo a four-stage training programme to prepare them for the gruelling journey.

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The minister then announced a two-stage study of the teacher training infrastructure, to consider the affordability of the current system and the options for a more shared and integrated system.

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"The challenge is an important part of my pre-season training and at this stage I will be bringing all my top players, " vowed Hughes, who toured South Africa as a Manchester United striker 16 years ago.

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