We have selected a kind of bivalves, Corbicula fluminea, which commonly distributes in the tidal flats of Changjiang estuary, as the study material in this research work, and analyzed the effects of seasonal variation and individual size on Zn, Cu, Pb, Cd and Cr accumulation in that kind of bivalve.
以长江河口湿地生态系统一种习见的大型底栖动物河蚬 Corbicula fluminea 为研究对象,分析了季节变化和个体大小对河蚬积累 Zn, Cu, Pb, Cd 和 Cr 的影响。
, individual size of length and width) and abundance of YLES in BPH from different geographic populations (i.
采用冷冻切片技术结合显微摄像系统观察法测定不同地理种群褐飞虱体内共生酵母菌的个体大小和数量。
The relationship between the weight of reproductive structure, reproductive allocation and individual size of Elymus nutans at different densities was studied in the present paper.
研究了垂穗披碱草在不同密度条件下的繁殖能力与个体大小的关系。
Objective To investigate the effects of font size,stroke and contrast on the reading speed of Chinese characters.
目的研究字体大小、笔画数、对比度对中文阅读速度的影响。
The effect of font size and position on the comprehension of Chinese characters in the multimedia courseware was investigated in a filed and a labora-tory experiment,using Chinese proverb s feeling judging task.
本研究通过多媒体教室现场实验和实验室实验,以判断成语的感情色彩为测试任务,探讨字体大小和位置对多媒体课件文字理解的影响。
A Preliminary Study On The Size-distinguishing Ability Of Infants
婴幼儿判别物体大小能力发展的初步研究
Asymmetry of Grammatical Devices for the Size of Objects;
表现物体大小的语法形式的不对称性——“小称”的来源、形式和功能
The length of the side of the square depends on the anticipated dimensions of the objects to be prospected.
测量网格的大小是根据测量物体的大小而选择。
an instrument that magnifies the image of small objects.
能够放大极小物体的装置。
A scaling transformation only alters the size of an object.
(比例变换仅改变一个物体的大小。)
Now remember that large bodies exert a greater pull on any body than smaller ones which contain less material.
记住,质量大的物体比质量小的物体所产生的引力大。
burrowing herbivorous Australian marsupials about the size of a badger.
澳大利亚食草的穴居有袋动物,身体大小如獾。
If its distance from the eye is halved, its apparent size is doubled.
同一物体,与眼的距离减半,相对大小就大一倍。
Every object, large or small, has a tendency to move toward every other object.
每一个物体,不论大小,都有向其它物体移动的倾向。
Every Body attracts every other Body with a force that is proportional to the mass of each Body
任何两个物体都互相吸引,其引力的大小与每个物体的质量成正比
Every solid object will refect a sound, varying according to the size and nature of the object.
每种实心物体都会反射声音,并且根据物体的大小和性质而不同。
How big or small is it in relation to other items on the screen?
屏幕上的某个物体相对于其他物体来说,是大还是小?
a strainer for separating lumps from powdered material or grading particles.
用来从粉状物中分开块状物和其他大小不同的物体的过滤器。
The forces between interacting bodies are equal and opposite.
相互作用的物体之间的力大小相等、方向相反。
varying according to the size and nature of the object.
反射的声音因物体的大小和性质的不同而不同。
An increase in the magnitude of the angular momentum simply means that the body rotates more rapidly.
角动量大小的增加,意思就是物体转动更快了。
Jim was only a very small cog in a very large criminal wheel.
吉姆只不过是一个大犯罪团体里的小人物。
Microbial Community Distribution in Different Water-stable Aggregate;
不同大小土壤团聚体中微生物群落的分布