But even if we focus on the bottom 10 percent or 20 percent of Americans, it would still be difficult to identify who the poor are, because the composition of this group changes constantly.
但即使我们目光放在最底层的10%或20%美国人身上，我们也还是很难辨认出谁才是真正的穷人，因为这个群体的构成是经常变动的。
We can reduce this by avoiding homogeneity in group composition.
在群体成分中避免同质化，可以降低这种可能性。
It is difficult to summarize the composing methods of so diversified a group. One can safely say that their approach to composition is the opposite of the traditionalist type.
这样一类作曲家如此多样化的创作手法难以概括，但可以肯定的一点是他们的作曲方法与传统型针锋相对。
It's more revealing to group objects that are similar in size, composition and other properties.
还是把物体用形状大小、构成成分和其他标准来归类更有信息价值。
Faraway, who like many rappers in Benghazi is known by his nickname, "Dark man," and Madani, aka "Madani Lion," form the core of Music Masters, but the composition of the group has changed over time.
Faraway绰号“黑人”，像班加西许多拉普说唱乐歌手一样，以绰号知名。他和Madani、aka MadaniLion组成了“音乐大师”的核心班底，但是表演组合的人员却随着时间流逝而不断变化。
Students file their composition in group language folders accordingly to be read and commend on in the following week.
学生将作文归档在各自相应小组档案袋，以供次周阅读和评议。
Color is a proxy for composition, so this discovery implies a likeness in makeup-further supporting the idea that group members are fragments of a larger, bygone parent body.
颜色反应出组成成份，因此这样的发现意味著其组成的相似性，也更进一步支持族群成员是昔日巨大母星体碎片的想法。
In the group teaching of composition, individual teaching can help students' confidence and writing ability, and makes teacher teach students according to their level.
在班级作文集体教学中，个别教学形式的存在，可以起到补充作用，有利于实现因材施教，提高学生的自信心和写作能力。
Solar power system consists of solar batteries, solar controller, battery (group) composition.
太阳能发电系统由太阳能电池组、太阳能控制器、蓄电池(组)组成。
What is the composition of your group?
你们团队的组成是怎样的？
Langjiexue Group rock composition contains the deal with the construction a low and mud high, have the near source to sink to accumulate quickly muddy to accumulate the rock characteristic.
郎杰学群岩石成分和结构成熟度低、杂基含量高，具近源快速沉积的浊积岩特征。
The practice of controlling sinter chemical composition to increase Lead sinter quality conducted in Zhuzhou Smelter Group Co.
介绍了株洲冶炼集团公司优化控制烧结块化学成分，提高粗铅产量，获得良好综合回收效益的实践。
This paper proposes a new idea to solve the problems of specialty composition, specialty interactions and their assessment within the specialty group.
为解决一个专业群应由哪些专业构成，专业群中专业之间的相互作用又如何衡量的问题提供了思路。
The element composition and the group content of lignin are different if it prepares by the different methods.
不同方法制备得到的木质素产品，元素组成及官能团含量是不同的。
Composition of the species, group and genus is different.
种、群、属组成各不相同。
The classification of rock group for the deep and thick overlying layer could be based on their formation, matter composition, structure features and the thickness changes.
深厚覆盖层可按其成因、物质组成、结构特征及厚度变化等作为岩组划分的依据。
Proteomics is to study composition active rules of intra-cellular protein and function of specific protein group in different time and space.
蛋白质组学研究细胞内蛋白质组成及其活动规律是对不同时间和空间发挥功能的特定蛋白质群体的研究。
The group composition is somewhat fluid and reconstitutes itself with infeed from the base segments.
在某种程度上，这个群体的组成是由处于基础阶段的人群临时或重新组成的。
The species composition in the insect community and the relative abundance of each group were studied in the peach orchards.
研究摸清了桃园昆虫群落的物种组成、各类群的相对多度。
Based onthe molecular QCLC model, a group contribution quasi-chemical local composition model is proposed, in which polar molecule is divided into several non-polar functional groups.
本文在前文的分子模型基础上，提出了似化学局部组成的基团模型，可用于极性分子混合物申组分活度系数的预测。
Still have student initiative composition studies a group, discuss jointly, rise jointly.
还有学员自发组成学习小组，共同探讨，共同提高。
The method of analysis hydrocarbon group composition of light crude oil was modified.
改进了采用硅胶作固定相的柱色谱对轻烃族组成分析的不足。
Greatly depending on composition and validity of linking up factors of group member, group could operate with high efficiency.
团队自身要想高效率的运作，在很大程度上依赖于团队内部成员的构成和沟通的有效性等因素。
A group of volcanic vents will produce a lava of the same mineral composition.
一群火山口将产生相同矿物成份的熔岩。
The group sets department mainly by rose flower pattern and spherical flower pattern composition, altogether seven product specifications.
该组套系主要由玫瑰花朵图案和球形花朵图案构成，共有七种产品规格。
The mass fraction of group composition was worked out accurately.
计算出族组成的质量分数。
A displacement method of chromatography for analysis of group composition of light crude oil and condensate was introduced in the paper.
本文详细介绍顶替色谱法进行轻质原油及凝析油的烃族组分分析。
A displacement method of chromatography for analysis of group composition of light crude oil and condensate was introduced in the paper.
本文详细介绍顶替色谱法进行轻质原油及凝析油的烃族组分分析。
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