Methods The ultrastructural pathological changes of syphilitic chancre were examined with transmission electron microscopy.

Hard chancre showed that epidermis might be absent in the center of the disease focuses and a diffuse mixed inflammatory infiltration was present at upper and middle dermis or the whole dermis as well as the endoangiitis in the dermis.

硬下疳病变中央部表皮缺损，真皮中上部或全层显示弥漫性混合性炎细胞浸润和明显血管内膜炎。

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Conclusion The fundamental pathologic changes of hard chancre and secondary syphilis are a subacute inflamation caused by pallidula spirochaeta, and those of nodular tertiary syphilis epithelioid cell granuloma.

结论硬下疳和二期梅毒基本病理改变为梅毒性亚急性炎症，结节型三期梅毒为上皮样细胞肉芽肿。

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Results Phase I syphilis manifests hard chancre. Phase II syphilis manifests rash which are complicated.

结果I期梅毒皮疹以硬下疳为主，Ⅱ期梅毒皮疹复杂。

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Results In these 162 cases of hard chancre, misdiagnosis occurred to 48 cases, accounting for 29.6%.

结果162例硬下疳患者中，48例曾发生误诊，误诊率为296%。

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Objective To explore misdiagnosis of hard chancre and its contributing factors.

目的探讨硬下疳的误诊情况和误诊因素。

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Research of the Adaptability of Chamfering Hob to the Number of Cylindrical Gear Teeth

圆柱齿轮倒角滚刀对齿轮齿数的适应范围研究

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Design and Calculation of Chamfering Hob for Cylindrical Gear

圆柱齿轮倒角滚刀的设计计算

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Then, the geometrical model is changed to the mathematical model, and the relationship among the parameters of the chamfering shape and the tool adjustment is analyzed quantitatively.

对于平面倒角首先建立了加工过程的几何模型，然后推导出数学模型，建立了倒角形状参数与机床调整参数之间的联系。

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Prediction of the Cutting Force of Chamfered Cutting Edge During the Cutting Process Using Finite Element Method

倒角刀刃切削过程中切削力的有限元法预测

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Profile formula for hard gear chamfered edge hob and its error analysis are introduced. A new kind of chamfered edge hob structure and manufacturing engineering are investigated.

介绍了硬齿面滚刀倒棱的齿形计算公式和误差分析，探讨了新型的倒棱滚刀结构方式及制造工艺。

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These techniques create a dramatic distinction between the product's lightly textured back and its highly polished chamfered edge.

这些技术使略带纹理效果的背面和高度抛光的倒角边缘形成强烈对比。

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The results show that the structure with two side chamfered edge can further reduce uncontinuous stress.

结果表明，双面削边结构可以进一步降低不连续应力。

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This calculating method is applicable to transition structure with chamfered edge and surfacing transition structure.

该计算方法适用于削边过渡结构和堆焊过渡结构。

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Precise Calculation of Measuring Value of Chamfered Teeth of Involute Spline Hob

渐开线花键拉刀倒角齿测量值的精确计算

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As you can see, daisy chaining allows you to concatenate several DOM traversal statements together.

如您所见，菊花链方式可以将几个DOM遍历语句连接起来。

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It develops a criterion of decision making and its corresponding algorithm under principles of forward chaining.

并且根据正向推理的决策机制，提出了工艺路线的决策规则和相应的算法。

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Study on Fuzziness Extension of Forward Chaining Production System Language

通用产生式系统语言模糊化扩充研究

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The conclusions and the experience knowledge from the experts in this field comprise knowledge base of the fault diagnosis expert system ( ES). The control strategy of the inference engine consists of forward chaining and backward reasoning.

将分析结论作为故障诊断知识，结合经验知识等建立故障诊断专家系统知识库，运用正向推理与反向推理相结合的推理控制策略进行推理。

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In order to reduce the number of messages sent back and forth, power users may user "command chaining" to send several commands that get called sequentially.

为了减少来回发送的消息数量，功能强大的用户还可以使用“命令链”发送几个按顺序呼叫的命令。

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We propose a Direct Control Transfer Chaining ( DCTC) technique for reducing the steady execution overhead of a Co-VM.

提出了降低协同设计虚拟机稳定执行开销的直接控制转移指令链接技术。

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