Secondly, the samples were laid in high humidity and low humidity vessels respectively in respect to test the capability of humidity adsorption and desorption of the different kinds of samples.
其次，把样品置于高湿度和低湿度的容器内，掌握其调节湿度的能力。
Being simple, stable and accurate, the vibration type densitometers have been widely used in industrial processes for on line measurements of different kinds of samples and a wide range of density.
振动式密度计以其结构简单、能稳定、确度高、量密度范围宽且样品种类广等特点，成为工业过程中最常用的一种在线密度计。
Scientists found nine different kinds of plastic in the stool samples, according to the study.
根据这项研究，科学家们在粪便样本中发现了9种不同的塑料。
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