George, making his first appearance on a royal Mail stamp, had to stand on four foam blocks bound together with tape so his head was at roughly the same height as the seated royals.
这是乔治第一次在皇家邮票上露脸，为了能跟家族中其他三位坐着的长辈保持同样的高度，乔治不得不站在四块泡沫塑料板上。
After the experiments are finished, the effects of the different bubble-removing components to reduce the foam height of the frothing system are measured.
在完成上述实验之后，测试了不同消泡构件对降低易起泡物系泡沫层高度的效果。
For the smelting reduction in iron bath, the foam should be kept in a suitable height in order to obtain a high rate heat transfer and reaction.
在铁浴熔融还原时，为保证较高的传热和反应速率，熔池中泡沫渣应保持一个适当的高度。
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