三神经的

Two-phase-learning is adopted. The strongpoint is that intuitionistic knowledge can be used to control the segmentation by using input-weight and distant-weight. Examples prove that segmentation using SOFM network is right and efficient. Surface fitting is an absolutely necessarily process in REGM. Surface fitting includes algebraic and parametric surface fitting. Algebraic surface fitting has not extra requirement for data distribute format and boundary shape.

第三种方法把人工智能用于反向工程的数据分区，因为数据分区的实质是相似特征的聚类，而神经网络可以实现自组织特征映射，在本论文中第一次把自组织特征映射神经网络用于多视图点云的数据分区，通过神经网络对数据点的坐标、法向量等几何特征进行聚类，并且运用了快速稳定的训练方法——两阶段训练算法，最重要的是，通过距离权值和输入权值可以把用户观察所得的直观知识加入聚类过程。

Toosendanin (〓, FW 574, TSN), a triterpenoid derivative, is an active ingredient extracted from the bark of Melia toosendan Seib et Zucc which is used in Chinese traditional medicine as an anthelmintic vermifuge against ascarids. It was demonstrated to be a selective presynaptic blocker in neuromuscular junction and central synapses.

从驱蛔中药楝属植物根皮中提取的三萜化合物川楝素（toosendanin，〓，FW 574，TSN），是一种选择性影响神经递质释放，阻遏神经肌肉和中枢突触传递。。。

So a new model of three-dimension neural network is proposed in this paper to deal with the problem of three-dimension assignment.

该文提出了一种三维神经网络模型，用以解决三节点情况下航迹关联的三维分配问题，并进行了实验仿真。

The results of prediction agree well with the experimental ones. It proves that the thermo-mechanical analysis、the neural network models of flow stress and microstructure as well as the numerical simulation system developed combining coupled thermal-mechanical rigid-viscoplastic FEM with BP neural networks are reliable to describe the hot back extrusion process of Ti15-3 alloy truly. The simulation system has good prediction capacity for the microstructure evolution of Ti-15-3 alloy during hot backward extrusion and after solution treatment. It can be used to replace the experiments for predicting the flowing laws and the distribution of microstructure.

由此证明，本文的热力耦合理论分析、流变应力及显微组织的神经网络预测模型以及采用三维热力耦合刚粘塑性有限元与三层向后传播的人工神经网络相结合的方法开发的Ti-15-3合金筒形件热反挤成形的显微组织数值模拟系统是可靠的，能够真实地描述Ti-15-3合金热反挤工艺过程，并对其反挤成形及固溶处理后的显微组织具有很好的预测能力，可以被用来代替预测其反挤成形规律和组织分布情况的试验。

We conclude that dual and triple injectionof local anesthetic guided by nerve stimulator increases theefficacy of coracoid block when compared with a single-injectiontechnique.

我们得出结论，在神经刺激器指导下两或三次注射局麻药与单次注射相比，能增强臂丛神经阻滞的效果。

In thisstudy, we sought to determine the number of injections neededto provide a reasonably complete anesthesia of the upper limbwith this approach. Seventy-five patients were randomly assignedto receive a coracoid block guided by nerve stimulator with42 mL of 1.5% mepivacaine with a single-injection (Group 1),dual-injection (Group 2), or triple-injection (Group 3) technique.

在本研究中，我们拟探讨为提供完善的上肢麻醉效果所需要的锁骨下臂丛神经阻滞的注射次数。75例病人用神经刺激器指导喙突旁臂丛神经阻滞，随机用1.5%的甲哌卡因42ml 行单次注射（组1）、分两次注射（组2）或分三次注射（组3）。

The useful and important tests of sensibility are: testing the vibratory sensation with tuning fork, vibrometer testing for vibratory thresholds, von Frey testing (determined by Semmes－ Weinstein nylon monofilaments or Pressure－ Specifying Discriminator) for cutaneous pressure thresholds, measurement of static and moving two－ point discrimination with the Disk－ Criminator, Moberg's ninhydrin test, O'Rain skin wrinkling test, Picking－ up test, Tinel's sign and electrodiagnostic test.

此文对临床上重要且实用的皮肤感觉功能测定方法如音叉皮肤振动觉定性检查、振动觉阈的振动器定量测定、Semmes－Weinstein尼龙单丝或Pressure－SpecifyingDiscri minator行皮肤压觉阈的测定、用Disk－Criminator进行静止和运动的两点辨别觉测定、茚三酮试验、O'Rain指腹皮肤皱缩试验、捡物试验、Tinel's征电生理检查以及这些检查方法在神经断裂、神经卡压及神经损伤或修复后的恢复等情况中的应用和评价作一讨论。

The CPT values in the affected leg in patient group were significant higher than those in control group at all frequencies. The CPT values in contralateral leg in patient group were significant higher than those in control group at 5Hz whereas there were no significant differences at 250Hz and 2000Hz. The CPT values in affected leg in patient group were significant higher than those in contralateral leg at 250Hz and 2000Hz whereas there were no significant differences at 5Hz. All the CPT values showed the same linear decrease from the dermatome of the compressed root to the dermatomes of the contralateral neighbor dematom.

在用CPT监测8例腰骶单神经根病组患侧和健侧及与正常对照组的不同直径感觉神经纤维功能的研究中发现压迫皮节和其临近皮节的所有频率CPT值无任何显著性差别；患者压迫侧的2000Hz及250HzCPT值及压迫侧和对侧的5HzCPT值与正常对照组都有显著性差别；患者组5HzCPT值患侧和对侧无差别，其他两组均有显著性差别；不管有无显著性差别，神经根病患者组各皮节三频率CPT值均按照压迫皮节，临近皮节，压迫对侧皮节，压迫对侧临近皮节的顺序减小，说明在腰骶单神经根病中Aβ纤维及Aδ纤维及无髓C纤维均受累。

All the indexes were tested in 2 -. 4 .. 6 weeks of operative intervals respectively. Results:(1) The general observation in the experimental group ,such as spirit, hair, body weight and activity ,was superior to that in the control group.(2) The recovery rate of sciatic nerve functional index (SF1) was statistically significantly higher in the experimental group than in the control group .(3) electrophysciological indexes: m the experimental group ,the tardy rate of induced motorius action potential ,recovery rates of the amplitude of compound muscle action potential and twitch tension and tetanic tension of triceps surae muscle ,were significantly higher than in the control group.(4) Compared with the control group ,the triceps surae muscle wet weight was significantly greater in the experimental group.(5) histomorphological indexes: the count of myelinated nerve fibers ,diameter of regenerated axon, thickness of nerve myelin sheath and area of capillary were much more in the experimental group than in the control group.(6) observation of ultrastructure with the transmission election microscope: more abundant organell a and maturer myelin sheath lay in the injured peripheral nerve of the experimental group, while not lay in the control group.

分别在木后第2、4、6周时进行各项指标的检测，结果发现：（1）实验组SD大鼠在整个实验过程中，其精神、毛发、体重，运动灵活性等一般情况优于对照组；（2）实验组的坐骨神经功能指数恢复率显著优于对照组，P＜0.01；（3）神经电生理指标：实验组运动神经诱发电位潜伏期的延迟率显著优于对照组，P＜0.05；复合肌肉动作电位振幅的恢复率显著高于对照组，两组比较第2周时P＜0.01，第4、6周时，P＜0.05；小腿三头肌单收缩力和强直收缩力的恢复率实验组显著高于对照组，P＜0.01；（4）小腿三头肌湿重的恢复率，第2、4周时实验组高于对照组，差异非常显著，P＜0.01；第6周时，差异仍显著，P＜0.05；（5）组织形态学指标：有髓种经轴突计数、再生轴突直径的恢复率，毛细血管面积，实验组均显著大于对照组，P＜0.01、P＜0.05、P＜0.001；实验组髓鞘厚度的恢复率也显著高于对照组，第2周时P＜0.01，第4、6周时，P＜0.05；（6）透射电镜超微结构观察：实验组再生轴突中细胞器丰富，髓鞘结构成熟，神经再生情况优于对照纽。

Input-layer contains seven nerve cells (sailor average maritime experience、average shipping years、average standard wind days、average river velocity 、visibility、water depth and traffic density) and output-layer contains four nerve cells (great accident、large accident、common accident and small accident).The test that use the data of historical occurrence level of maritime accidents in ChongQing water area is done, the result shows the feasibility of the predictive model.

最后本文用VC++制作界面，基于MATLAB的神经网络工具箱建立了水上交通事故的BP神经网络预测系统，采取三层BP神经网络，输入层有7个输入神经元(船员平均水上资历、平均船龄、平均标准风天数、水域平均流速、能见度、水深和交通密度)，输出层有4个神经元(重大事故、大事故、一般事故和小事故)，并通过对长江干线重庆水域的预测来检验模型的效果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。