degression

释义

• n. （税率的）递减；下降；渐减

词源

degression (n.)

late 15c., from Latin degressionem (nominative degressio) "a going down," noun of action from past participle stem of degredi "to go down, march down, descend," from de- "down" (see de-) + gradus "step" (see grade (n.)).

例句

• 1. To observe mosquito larva density degression rate , both hydrophytes and fishes death rate. 同时观察水生植物和鱼类的死亡等影响因素.
• 2. Landscape fragmentation is one of the major reasons drastic degression loss of biodiversity over the world. 景观破碎化是生物多样性下降的最主要的原因之一.
• 3. PD's clinical characters are thrillingness, muscle rigidity , bradykinesia and the degression of independence ability. 其临床特征为震颤 、 强直、运动迟缓以及自主能力的下降.