查询词典 deciduous

The objective of this study was to evaluate the effects of temperature and soil water content on nitrogen mineralization in a deciduous broad-leaved forest.

在实验室条件下，控制土壤的温度与含水量。

Low-growing tufted deciduous shrub of northern and alpine North America having pink to coral-red flowers followed by sweet ''.

分布在北美的北部和高山地区长得''。'矮'。''的成簇状的每年落叶的灌木，有粉色到珊瑚红色的花和甜的''。

Deciduous fruit trees once again, corn stalks, stubble, etc.

清园灭虫。先清除杂草，破坏蚜虫、灰飞虱等害虫的越冬场所。

Deciduous perennial low-growing fetid swamp plant of eastern North America having minute flowers enclosed in a mottled greenish or purple cowl-shaped spathe.

北美东部的一种多年生草本植物，早春生出一气味难闻、淡紫褐色、盔兜形的佛焰苞，在夏季被一簇宽叶围绕。

Whereas, the orders in variation of total NPP in various ecosystems were the following: crop, grass, deciduous forest and evergreen needleleaf forest.

而影响全国陆地生态系统年际NPP总量变化最大的是耕地、草地以及落叶阔叶林与常绿针叶林。

Trees deciduous; inflorescences produced before new leaves, usually bisexual; glands at junction of petiole and leaf blade sessile and cushion-shaped; fruits smooth.

落叶乔木花序在新叶之前生产，通常两性；在叶柄和叶片无梗的交叉口的腺体和垫状；果平滑 1 V。 fordii 油桐

Dull-colored moth whose larvae have tufts of hair on the body and feed on the leaves of many deciduous trees.

深色的蛾子，其幼虫的身体上有簇毛，吃许多落叶树木的树叶。

Leaf samples from three evergreen species (southern magnolia, camphor tree, boxtree) and one deciduous species in Shanghai were sampled during 2005 to 2006. The results showed that there has big difference in accumulating capacity and tendency among these species.

采用特征比值法对上海环境数据进行的源分析结果显示：选定的工业区域大气PM10中PAHs污染主要来自工业排放，其次为交通和扬尘污染，总体表现为混合污染；表层土壤分析结果为煤炭燃烧和交通排放混合污染。

Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.

地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。

Leaves alternate , usually entire; stipules present, reduced and/or deciduous; bracteoles 2, at or near base of ovary, or absent.

叶互生 ，通常全缘；存在的托叶，退化和/或脱落；小苞片2，在或者近子房基部，或无。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。