1.
an indeterminate number of plant species in the jungle.
丛林中植物的物种数量无法确定。
2.
A variation of a physical quantity,used to convey data.
用于传递数据的一种物理量的变化(量)。
3.
Influence of DCD on Soil Microorganism
双氰胺对土壤微生物种群数量的影响
4.
Species composition and abundance variation of protozoa in Dianshan Lake
淀山湖原生动物种类组成及数量变动
5.
export wheat without quantitative limitations; quantitative analysis determines the amounts and proportions of the chemical constituents of a substance or mixture.
没有数量限制的小麦出口；数量分析决定了一种物质或混合物的化学成分的数量和比例。
6.
A quantity that expresses the degree to which a substance possesses a property, such as elasticity.
模数，模量一种参数，表示一种物质具有一个特性之程度，如弹性
7.
A constituent, such as a chemical compound or element, present in quantities less than a standard limit.
痕量比标准限度数量小的一种组成物，如化学化合物或元素
8.
Studies on Patterns of Component Species Number and Biomass of Desert Rodent Community under Different Disturbance
不同干扰下荒漠啮齿动物群落组成种数量和生物量格局
9.
If a variety were to flourish so as to exceed in numbers the parent species, it would then rank as the species.
如果一个变种的繁殖，超过它的亲种数量，它就会被列为物种。
10.
Rarity is not merely determined by the number of individuals in a species, it is also about how unusual that species is.
稀缺性不仅仅由某个物种所包含的个体数量决定，还和物种的数量有关。
11.
A hydrate in which the molecular ratio of water molecules to anhydrous compound is1: 2.
半水合物一种水合物，其所含水分子与无水化合物之比数量为1：2
12.
a determinate distance; a determinate number; determinate variations in animals.
一定的距离；确定的数量；确定的动物变种。
13.
The types of protein in biological world are estimated as between the order of magnitude of1010~1012.
生物界蛋白质的种类估计在1010~012数量级。
14.
The crop and the way it is used determine the nutrients removed.
作物种类及其利用方式决定着养分耗失的数量。
15.
Such materials are bulky and expensive both to transport and to apply.
这种物质既数量大，又在运输和应用上费用昂贵。
16.
Relationship between species and higher taxons in number in Aves
物种与高级分类单元的数量关系——以鸟类为例
17.
The Species Composition and Distribution of Phytoplankton in the Beibu Bay
北部湾海域浮游植物的种类组成与数量分布
18.
Marine life is incredibly rich and varied.
海洋生物种类之多、数量之大，简直是不可思议。