下降趋势用英语怎么说？

下降趋势

例句

• Results: The drug cost was increasing year by year, while the percentage of benzodiazepine ( BZ ) hypnotics DDDs was decreasing. 结果: 镇静催眠药的年度金额逐年增长,苯二氮卓类药物仍占主要市场,年度药物DDDs总数的比例有下降趋势.
• Criterion the present price of the stock presents downtrend basically. 则股票的现价基本呈现下降趋势.
• The report shows that fewer couples are getting hitched. 报告显示，结婚的人数呈下降趋势。
• Interest rates generally have been declining since last spring, despite a few upward blips in recent weeks. 尽管近几周出现了几次短暂的回升，但自去年春天开始利率在整体上还是一直呈下降趋势。