尽管最近几周突然出现了几次短暂回升，利率自去年春季以来总的来说一直呈下降趋势。
Interest rates generally have been declining since last spring, despite a few upward blips in recent weeks.
随着愈伤组织和不定根的出现，多数营养物质含量呈下降趋势。
Most of the content of nutritive substance declined with the emergence of callusing and rooting.
资本支出一直不振且正呈下降趋势。
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