1.
THE RELATIONSHIP BETWEEN THE SPECIES DENSITY OF CHIROPTERA AND ENVIRONMENTAL FACTOR
翼手目物种密度分布与环境因素的关系
2.
A mechanism of plant species coexistence: the negative density-dependent hypothesis
植物群落物种共存机制:负密度制约假说
3.
ON ECOLOGICAL DISTRIBUTIONS AND POPULATION DENSITIES OF MOLLUSCA IN LAKE TUNG-HU,WUCHANG
武昌东湖软体动物的生态分布及种群密度
4.
DENSITY AND BIOMASS DYNAMICS OF PINUS TAIWANENSIS AT SONGYANG COUNTY,ZHEIIANG PROVINCE
浙江省松阳县黄山松种群的密度与生物量动态
5.
Dynamics of population biomass and its density-density-dependent regulation in alder and cypress mixed forest
桤柏混交林种群生物量动态与密度调节
6.
The results showed that the population density and biomass of ?Ardeola bacchus? were higher.
结果表明，池鹭的种群密度和生物量最高。
7.
The Research in Plant Density and Pyrolysis Decomposition of Peteris Vittata L.;
蜈蚣草的种植密度及其收获物的焚烧处理研究
8.
Respondence of Leaf Traits of Three Chenopodiaceae Plants to Soil Nutrients,Water Content and Plant Density
3种藜科植物叶特性因子对土壤养分、水分及种群密度的响应
9.
Specific gravity is the ratio of the density of a substance to the density of water.
比重是某物质的密度与水的密度之比。
10.
It was as earth dropped from the fourth into the third dimension that the experience of hot and cold became prevalent for each species.
正是当地球跌下第四密度而进入第三密度时，冷热的体验成为每一物种的普遍感受。
11.
These fabrics have high density but retain some bulk, they are available in different weights and thicknesses.
这种织物密度较大但具有一定的蓬松度。针刺非织造布可以有各种重量和厚度。
12.
he handled it with the preciseness of an automaton; note the meticulous precision of his measurements.
这种仪器的精密度很高。
13.
The population density is evened out.
种群密度亦趋于均匀化。
14.
Explosion power of solid fuel mixture can be enhanced with a suitable increase of bomb density.
适当增加弹体密度可增强这种固态燃料混合物的爆炸威力.
15.
A standard vessel used in measuring the density or specific gravity of materials.
比重瓶一种标准容器，用于测量物质的密度或比重
16.
Use the microscope to study microorganisms in the water and in the sediment.
用显微镜观察水中和砂泥中的微生物的种类及密度。
17.
There are as well as density-dependent biological factors such as disease, predation, and intraspecific competition
还有密度制约的生物因素，诸如病害、捕食和种内竞争等。
18.
This dissipation process limits the maximum surface change density on a planar surface to 30μc/??
这种耗散作用限制着物体平面的最大表面电荷密度为30μc／?蕖?/UK>