二元的

The dual economic structure system of city and countryside is the institutional origin of impoverishment.

中国的贫困主要是指农村、农民的贫困，城乡二元经济结构制度是造成我国农村贫困、农民贫困的制度根源。

Waterborne polyurethane is dispersible in water medium, which has not only the excellent properties of solvent-borne polyurethane with good resistance, great adhesion, as well as outstanding toughness combined with good flexibility, but also advantages of incombustibility, low- odor and environmental friendliness.

水性聚氨酯是以水为分散介质的二元胶体体系，它不仅具有溶剂型聚氨酯的耐低温、柔韧性好、粘接强度大的优良性能，而且具有不燃、气味小、不污染环境、节约能源、操作加工方便等优点。

Its process mathematical description is illustrated through a typical binary distillation column design. Then the framework and strategy of solving the optimal design and control, which involve the solution of mixed integer dynamic optimization, are presented.

以典型二元精馏塔设计为例阐述了其过程系统的数学描述，给出其最优工艺设计和控制设计的求解框架和求解策略，以及其中混合整数动态优化问题的求解方法。

The concentration of the polymer that can increase the viscosity of the system had nothing with the interfacial tension.

当烷醇酰胺浓度超过0.3%时，界面张力反而升高；部分水解聚丙烯酰胺的浓度对二元体系的界面张力影响很小，它只是增加了体系的黏度。

These findings suggest that college students' current employment decision-making and career expectations not only reinforce labor market' dualistic structure, but also enlarge social inequality by intergeneration transmission

研究结果表明，大学生当前的就业决策和职业期望既会强化劳动力市场的二元结构，又可能通过代际传承扩大社会的不平等程度。

Result Eco-concrete with Ipomoea aquatica had an obvious better TP removal effect, and a certain time and biomass effect which was showed as a binary function of TP, D and time established by statistically analysis.

结果］水蕹菜植生型混凝土对水体TP去除效果显著大于单纯的混凝土或水蕹菜，并呈现出一定的时间和生物量效应；通过统计分析拟合出TP、水蕹菜初始生物量密度和处理时间的二元函数模型。

High oil absorption resins of higher n-alkyl acrylates modified cotton linter were synthesizedby supension graft copolymerization. The effects of the ratio of n-alkyl acrylates to linter, the kinds and amounts of crosslinker, the amounts of initiator, as well as reaction temperature and time on oil absorbency were investigated.

以棉短绒为基材，丙烯酸长链酯为单体，双丙烯酸二元醇酯为交联剂，采用悬浮接枝共聚法合成了高吸油性材料，考察了棉纤维与单体的投料比、交联剂种类与用量、引发剂用量、聚合反应温度与时间等因素对该材料吸油性能的影响，得到了不同丙烯酸长链酯与棉纤维接枝聚合制备吸油材料的最佳工艺条件。

Under the influence of traditional Iranian religion, the semi-Gnostic Manichaeism developed an absolute cosmic dualism between soul and matter.

在伊朗传统宗教的影响下，半诺斯替主义的摩尼教发展了一种绝对的宇宙二元。

In the method,based on the traditional ideas of maximal tree clustering method,the dyadic semantic representation is used to process the linguistic assessment information,and the clustering objects are classified.

该方法依据传统的最大树聚类分析方法的基本思想，采用二元语义概念对语言评价信息进行处理和运算，并对聚类对象进行分类，具有概念清晰、计算简单、信息处理较为精确的特点。

Therefore, it is reasonable that the influence of pressure on the activity coefficients and the ratio of the molar volume change in the liquid can be neglected.

由此近似忽略压力对二元体系摩尔体积的变化率以及对各组元在固液两相的活度系数的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。