The decrease gradient of the peak displacement at the center of plate increases as the foam thickness, fuel-air concentration(i. e. explosion load size) increases to some extent.
在一定程度上，随着泡沫铝厚度、油气浓度（即爆炸荷载大小）的增加，降低板中心点处位移峰值的幅度也随之增加。
Providing reassurance, spending time with the patient, and ensuring that help can be received immediately (e. g., call light is readily available) may help to decrease the patient's anxiety level.
给予安慰，花时间与病人在一起，确保病人能立即得到帮助(如呼叫灯随时可用)有助于减轻病人焦虑。
The time required for the energy released by a radionuclide to decrease by half (i. e. , the "half-life") range from tiny fractions of a second to millions of years depending on the type of atoms.
放射性核素释放的能量减半需要的时间范围是几分之一秒到几百万年，取决于原子的类型。
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