apparent expansion

In physics and chemistry experiment is done, for each specimen combustion experiment was earned out respectively, observe its apparent phenomenon after burning, read the burning test duration, expansion ratio is measured.

在理化实验结束之后，分别对其每个试件进行燃烧试验，观察其燃烧后表观现象，读出燃烧试验持续时间、测出发泡倍数。

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By gauging the redshift and apparent brightness of a large number of supernovae located at a variety of distances, researchers can create a record of the universe's expansion.

藉由调校大量位于不同距离的超新星红移和表观亮度，研究人员可造出一组宇宙膨胀的记录。

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while showing an apparent expansion trend in metal die and an obvious shrinking behavior in agar die, setting dimensional change rate of superhard stone in silicone and alginate dies were stable and less than 0. 10% which can be used for precision casts.

超硬石膏在金属印模中呈现为膨胀，在硅橡胶及藻酸盐印模中尺寸变化率稳定，均不超过0.10%。

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