The multi-position concessive punching mould is the one that along the punched material' moving direction with two or more positions, and finished two or more punching processes in the different position during one trip of the press.

摘 要：多工位連續(xù)沖壓模具是指模具上沿著被沖材料的直線送進(jìn)方向，具有兩個(gè)及兩個(gè)以上的工位精新在线三级电影视频，并在壓力機(jī)一次行程中18禁无遮挡A片在线网站，在不同的工位上同時(shí)完成兩道或兩道以上的沖壓工序的模具。

An optimal path planning algorithm of the observer is proposed in this paper, which is based on the dynamic programming. Based on the data measured at the current stage, the optimal moving direction of the observer at the next stage is calculated aiming at the maximum area of the target feasible region convergence.

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The moving direction of the ore—forming fluids is studied by means of decrepitation temperature in the Shihu gold deposit.

運(yùn)用爆裂法測(cè)溫在石湖金礦進(jìn)行成礦流體運(yùn)移方向的研究。

According to what graph 2 shows, conductor is still, uniform static magnetic field moves to the left at the speed of , referring to in graph 1 can get , substitute it into Lorentz magnetic force , it is , the negative sign here is not added randomly, it is because the moving direction of magnetic field is opposite to the moving direction of conductor.

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Based on the distribution of sand-moving wind direction, the dominant wind direction of Yangqing station is WSW due to the regional terrain, the others are all WN, WNW, NNW, the results indicate that the main sand moving direction in Beijing plain is from northwest to southeast.

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When semidiurnal tides move from the open sea to offing, they first get the high tide in the mouth of Samen bay, then bifurcate to two branches, one goes along the northwest direction and the other goes along southwest. And it can be easily found that the moving direction of diurnal tides is obviously different from semidiurnal tides.

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Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified PCNN model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. Secondly, PCNN is extended to PCNNs, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. Thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification; Finally, based on the accumulative difference pictures, and the forming and transmission of PCNN wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction.

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By analyzing the moving footwork link of block technique in current volleyball teaching material in Chinese physical education colleges, this paper points out the existing shortcomings of the current teaching material, that are classify, moving direction, footwork category and so on.

摘 要：在分析我國(guó)現(xiàn)行排球教材攔網(wǎng)技術(shù)移動(dòng)步法環(huán)節(jié)的基礎(chǔ)上中文字幕永久永久在线，指出現(xiàn)行教材該環(huán)節(jié)在分類、移動(dòng)方向操逼色图亚洲、步法種類等方面存在的不足春雨直播视频观看完整版高清，并提出新的技術(shù)理論。

Based on the relationship between the numerical aperture of the objective lens and scale pitch, this study chooses a suitable Plano-convex lenses available on the market, so as to approximate the diameter of the focusing spots to scale pitch. Also, by using the optical path of an optical encoder similar to the nanoscale, the changes in the surface profile of the scale can be measured directly, so as to obtain the two quadrature sinusoidal signals. By counting the zero crossing of these two quadrature sinusoidal signals and calculating the interpolation value of these two quadrature sinusoidal signals, the moving direction and moving displacement value of the scale can be obtained.

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By adjusting the positions and angles of the two DVD optical pick-up heads, the relative distance of the two laser spots can be equivalent to one quarter of the grating pitch. When the grating moves, the surface profile of the grating can be measure directly, in order to obtain the two quadrature sinusoidal signals. Then by counting the zero crossing of these two quadrature sinusoidal signals and calculating the interpolation value of these two quadrature sinusoidal signals, the moving direction and moving displacement value of the grating can be obtained.

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