Film analysis of the infant's responses, heart and respiration rate monitors, and nonnutritive sucking devices are used as effective tools in understanding infant perception.
婴儿反应的胶片分析、心率和呼吸速率监测器以及非营养性吸吮装置是理解婴儿感知的有效工具。
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Although the rate rise may help to curb inflation, it risks sucking in foreign money, increasing upward pressure on the already overvalued Brazilian real.