natural decrease翻译

natural decrease的基本解释

读音: 美: 英:

自然减少：指人口自然增长率为负数，即死亡人数多于出生人数的情况。

例句

Multiple studies show that being outdoors (or even just looking at pictures of natural landscapes) reduces stress and causes heart rates to decrease.户外多种多样的活动(或仅仅的欣赏自然风景画)可以减少压力和降低心跳比率。
They also found that when people spent more time looking at the natural scene their heart rates tended to decrease more. That was not the case with the plasma screen.他们发现当人们将目光更多转向自然风光的时候，他们的心跳趋缓，而看高清屏幕的时候却没有这种现象。
Natural frequency of the riser will decrease due to the internal fluid flowing and temperature differential.管内流体流动和管内外温差会降低立管的固有频率。

短语

natural decrease in tax revenue 税收 税收自然减收
natural decrease in american counties 美国的自然减少
prevent and decrease natural adversities 防灾减灾
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