有四种

By react functional group in side chain, the solubility of polymers was improved and they can form film easily.

深入研究了这四种聚合物的氯仿溶液和TNT之间的荧光作用，它们对ppm的TNT都有很好的响应。

Mutations in 31 known genes and additional unidentified loci can produce Charcot–Marie–Tooth disease.

他们用全基因组测序的方法对一个家庭进行特殊的诊断，在这个家庭中，有四个兄弟姐妹患有腓骨肌萎缩症-一种末梢神经疾病。31个已知基因中的突变和额外未确定的位点能够导致这种疾病。

It is a symbol of chastity. She wore something new and old, something borrowed and blue.

她穿戴的衣物中包括有新的、旧的、借来的和蓝色的四种东西。

Our analysis result shows: in the judgment and decision-making process, the investor cognation biases can be divided into the cognation bias of price fluctuation, the estimate bias of corporate value, the manager bias of risk and wins, the manipulate bias of trading.

本文认为金融市场上投资者所具有的典型性认知偏差包括对股价波动的认知偏差、对上市公司价值的估计偏差、对风险和回报的管理偏差以及股票交易中的操作偏差四种；而深入分析投资者的这些认知偏差很有理论和现实意义。

By using combinatorial evaluation method to compare and analyze the efficiency of 18 railway transport enterprises,first of all,the paper builds a comprehensive index system,and then uses DEA,AINM,TOPSIS and ECM to evaluate the efficiency of enterprises.

本文首先建立了一套相对完善的铁路运输企业效率评价指标体系，并根据各种评价方法有针对性地调整具体指标体系。然后以数据包络分析、综合指数法、TOPSIS法和功效系数法四种评价方法分别评价各铁路局的运营效率并排序。

The third chapter deals with harmonization of the interests framework of comparative advertising.

本章主要探讨了比较广告利益结构的内容，认为它包括有广告主的自由竞争权、被比较竞争对手的公平竞争权、消费者的知情权和选择权及社会公众的公共权益这四种既相互联系又彼此冲突的利益，构成一个有机的整体。

A special kind of compasses has four legs, two of which are pins and

一种特别的圆规有四只脚，其中两只是针脚，而另外两只是铅笔

Participants showed the lowest flexible action in their conflicts with distant eldership, the highest self-restrained action in conflicts with close eldership, the higher egoistic action in conflicts with distant compeer and eldership.

同时，中庸的圆滑性，克己性和自我性在四种冲突情境中有不同表现，其中圆滑性在疏远长辈关系中表现最低，克己性在亲密长辈关系中表现最高，自我性在疏远关系中表现显著低于亲密关系。

The consistence rates of the four kits were 100%, 100%, 95% and 97% respectively.

四种试剂在一定的抗原浓度范围内都有良好的线性关系。

The models of urban governance can be classfied to four general models: managerial, corporatist, progrowth and welfare governance.

一般认为。城市治理模式主要有管理模式、社团模式、支持增长模式和福利模式四种。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。