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Four nearby symbols as "spiral, snail, serpent, crossed box" remain unidentified, but could represent the four constellations bordering Ophiuchus in Earth's sky.

四附近的符号为"螺旋形，蜗牛，蛇，越过盒子"仍然不明，但可以代表4星座接壤的蛇夫座，在地球的天空。

The four single errors exist in joint B in crank.rocker mechanism. The result indicates that the theory analysis is correct. In order to analyze the distribution of contact stress in joints, the ANSYS finite element tool is used. The situation of four single errors in joint B is analyzed. The distribution of contact stress is actually reflected. The microcosmic stress analysis is referred.

为了分析铰链在存在形位误差的情形下铰链中接触应力的分布情况，利用ANSYS有限元分析工具，通过对B铰链存在的四种可能出现的形位误差造成在装配过程中产生的接触应力的分析，真实的反映了铰链接触应力的分布情况，从而由宏观的力分析进入微观的应力分析，这也是前人没有涉及过的。

This thesis uses the four stages of the American presidential election campaign as the transversal axis and uses the four steps of positioning as the axis of ordinate to analyze the 2004 American presidential election campaign television advertisements.

本文以美国总统竞选活动的四个阶段为横轴，以定位的四个步骤为纵轴，分析2004年美国总统竞选的电视广告。

By using a fracture simulation unit,the regularity that temperature,flow rate and fracture width influence on HCl/dolomite reaction rate is investigated.The sequence of temperature,flow rate,acid concentration and fracture width influence to the acidic rock reaction rate is also studied in a four factors and four levels orthonormal test,and the sequence that acid concentration＞flow rate＞temperature＞fracture width is found.At the last,the possible HCl/dolomite reaction mechanism model which can explain the influence factors is derived.

文中利用人工模拟裂缝装置，研究了温度、注酸排量、裂缝宽度等因素对盐酸/白云岩反应速率的影响规律；并采用四因素四水平的正交试验，综合考察了温度、排量、酸浓度、缝宽四种因素对酸岩反应速率的影响的主次顺序，发现对酸岩反应速率影响力的大小次序为：酸浓度＞排量＞温度＞缝宽；最后，提出了盐酸/白云岩反应可能的机理模式，并根据这一模式对诸因素的影响进行了合理的解释。

Methods 216 patients with acute cerebroinfarction were classified into four subtypes according to the group of OCSP and the group of Adams seperately. The four subtypes of OCSP include TACI、PACI、POCI and LACI.

216例急性脑梗死根据OCSP和Adams分型分别分为4个亚型，前者为TACI、PACI、POCI和LACI；后者分为阴性组、腔梗组、小梗死组和大梗死组。

The four subtypes of OCSP include TACI、PACI、POCI and LACI. The four subtypes of Adams include no infarction,lacunar infarction、small infarction and large infarction .

216例急性脑梗死根据OCSP和Adams分型分别分为4个亚型，前者为TACI、PACI、POCI和LACI；后者分为阴性组、腔梗组、小梗死组和大梗死组。

A multiple-step beams model was established to analyze the static stiffness characteristics of the double parallel four-bar mechanism with right angle flexible hinges based on the symmetry of the structure. Formula for calculating the static stiffness was derived by applying singularity function. On the basis of this analysis, the factors influencing the stiffness performance of the double parallel four-bar mechanism were studied from its geometric parameters, and the theoretical model was verified by finite element method.

根据其结构的对称性建立了静刚度分析的阶梯梁模型，引入奇异函数法推导了柔性双平行四杆机构的静刚度计算公式，在此基础上，分析了柔性双平行四杆机构各尺寸参数对其静刚度的影响，并采用有限元方法对理论模型进行了验证。

Passersby were asked to evaluate what they were told were four different nightgowns and four different pairs of stockings.

他们告诉路人这是四件不同的睡衣以及四双不同的袜子，并要路人对睡衣和袜子作出评价。

The economic integral of China district is an inevitable outcome of cross-straits four ground economy developing in the future.the Cross-straits can consider practice to unify the currency HB, and make HB become the one of the world currencies, and this will give cross-straits four districts important and big and economic benefits, and also will further promote the economic integral of China district .but practices to unify the currency HB must change current RenMinbi, Hong Kong dollar, NT$ and Pataca system, and will face the US$ and euro competition, etc..

内容摘要：中华区域经济一体化是未来两岸四地经济发展的必然结果，未来两岸可考虑实行统一货币"华币"，并使华币成为世界货币之一，这将给两岸四地带来重要大经济利益，也将进一步促进中华经济一体化进程。然实行统一货币"华币"必须改变现行人民币、港币、新台币及澳门币制度，而且将面对美元与欧元等货币的竞争。

This paper examines the soil characteristic and liquefaction degree of hard shell seams at the subaqueous delta of the Yellow River. Four typical areas were chosen for measuring, testing and studying. The hard shell seam strength was measured by in-situ Proctor penetrometer. Undisturbed soil sample of 1 m long was excavated for laboratory soil property test. Sledge hammers were dropped down freely to hit the load board to simulate the wave force acted on the hard shell seam. The excess pore pressure and strength variation were observed. The liquefaction depth of the hard shell seams at four study areas under different wave storms were calculated by theory.

为揭示黄河口水下三角洲硬壳层的土性特征和风浪作用下的液化破坏状况，选择典型研究区，在现场利用普氏贯入仪测试硬壳层的强度特征，原位取1m原状样进行室内土工试验；利用重锤锤击荷载板的方式模拟波浪对硬壳层的动力作用，通过孔压探头和普氏贯入仪实时监测土体内孔压和振动前后强度的变化；通过理论计算研究硬壳层在不同风浪等级下的液化深度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。