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A city of north-central Italy at the foot of the Apennines north-northeast of Florence.

波洛尼亚意大利中北部城市，在亚平宁山麓，位于佛罗伦萨东北偏北。

Convert relationship of prototype robot joint angle and equivalent model joint angle is presented based on the method of kinematics inverse solution. The Jacobian algorithm of redundant robot for achieving effective joint excursion is studied, which is fit for digital calculating. The grads projection algorithm of redundant robot multi optimizing capability function's proportion factor is deduced. The issues of apery arm robot singularity and joint self-movement are researched. The simulation experiment result of apery arm joint self-movement and line movement is presented.

因为七自由度拟人手臂机器人的建模比较困难，采用了在等效模型下求解其运动学逆解的方法，给出了原机器人机构关节角与等效模型关节角之间的转换关系；提出了一种适于数值计算的有效的求解有关节偏置的冗余度机器人Jacobian的算法，并在此基础上推导了冗余度机器人多优化性能指标函数的均衡比例因子梯度投影算法；研究了拟人手臂机器人的奇异问题和关节自运动问题；给出了拟人手臂进行关节自运动和进行直线轨迹跟踪的仿真实验结果。

Wire break, audio deviation and unit aphonia are the common breakdown which not only occurs in the low-end headphones, but also happens in some high-end ones frequently.

断线、偏音、单元失声是比较常见的现象，并且这一现象并不拘泥于低端耳机，一些高端耳机也经常会显现故障。

In the paper, the principle and matrix description of the switch is expounded, and the aplanatism of signal lights is also testified, and the insert loss and polarization dependent loss is analysed.

本文将阐述光开关的原理与矩阵分析，论证这种自由空间光开关的等程性，讨论新型光开关结构与性能(插入损耗与偏振相关损耗)。

There is up-regulation of striatum D2 receptors in lesioned side in experimental hemi-parkinsonism which show good correlation with rotation behavior induced by Apomorphine, and coincided with the pathological findings.

大鼠偏侧PD模型患侧纹状体D2受体出现上调反应，这种上调反应与APO诱导的行为学改变呈良好的相关性，与病理组织学改变相符合。

First of all, large-format cameras allow flexible adjustment, by shifting up, down or sideways of the front and/or back of the camera, and secure great apparent depth of field to obtain images freely. This provides photographers a sound basis for art creation. With relatively larger films, it is possible to obtain more raw data, which illustrate all the tiny details in the image.

首先，大画幅相机具有灵活移轴调整功能，通过对镜头的移轴和皮腔部位的倾斜、偏摆来调整视点，可以在清晰区域内获得自由图像造型，为摄影师们提供了广阔的创作空间；较大尺寸的底片，可获得大面积的RAW的数据，能很好地表现影像中极为细微的部分。

Homotopy perturbation method; MOL method; nonlinear partial differential equation; approximate solution

基础科学，数学，数学分析同伦摄动法；直线法；非线性偏微分方程；近似解

Meanwhile, many new perturbed PDEs in science and technology need us to seek out approximate solutions.

同时随着科学技术的发展，出现了一些扰动的偏微分方程，需要我们去寻找它的近似解。

Part Two. The approximation theory of distributed parameter systems.

偏微分方程的特征函数理论是研究分布参数系统的一个有效方法，但分布参数系统的特征函数的求取十分困难。

The theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated.

利用该程序计算了某矢量喷管在不同的压比、面积比和几何偏转角下的200多种三维有粘流场，获得了矢量喷管的性能数据。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！