With the enlargement of the columnar crystals ′ spacing interval, the positive and negative segregation extents generated by the periodic bending deformation at the liquid-solid interface of billet are enlarged.

In addition, considering the spacing interval in the primary accumulating generating of primitive data sequence, a approach for establishing a GM ( 1,1) model for non-equidistant sequence was presented.

同时，对原始数据序列一次累加生成时，考虑序列的间距，提出一种建立非等间距序列GM（1,1）模型的方法。

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The path length and the spacing interval distribution of neighboring scanning curves quantitatively show that the extended scanning path can adapt to surface variations and improve the coverage evenness.

路径长度和相邻扫描曲线的间距分布，定量地表明扩展扫描方式可适应曲面形状变化并提高路径覆盖均匀度。

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In order to sure the train control information can be reliable two-way transmitted in any time and any location, the reasonable AP spacing interval is the design key point.

为确保列车控制信息在任何地点、任何时间的双向可靠传输，合理的AP设置间距是设计的重点。

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Among these researches, more than half start from the proper road spacing interval discussion based on an given ideal square networks.

此类研究将更多的精力集中在固定理想路网条件下通过交叉口间距合理值的讨论得到路网等级配置比例。

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It uses the method of average minimum train spacing interval law to calculate the every sector handling capacity of the railway from Shenyang to Shanhaiguan after raising speed.

并提出用平均最小列车间隔时间法，计算沈山线各区段提速改造后的通过能力。

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Treat according to the state of the disease, 1 to 3 times for a course of treatment and four days as the spacing interval each time.

依病情治疗，1-3次为一疗程，每次间隔时间为4天。

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A Slider-to-disk Spacing Measuring Instrument for Magnetic Disk Driver

磁盘机头&盘间隙测试仪

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The greater amount of information stored on a DVD is chiefly due to the smaller pit size and tighter track spacing, but another factor comes into play, namely compression.

一张DVD能储存较大数量的信息，主要是因为光盘较小的凹坑和紧密的轨迹相间隔，但是另外一个因素也发挥了作用，即压缩。

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Seed spacing is the key factor of the effects on the quality of precision drilling.

穴距是影响水稻播种机精密播种质量的主要因素。

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ABSTRACT: Being a parameter of concrete antifreeze evaluation, air void spacing factor had got much more attention.

作为评价混凝土抗冻性的参数之一，混凝土气泡间距系数越来越受到重视。

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Air-void spacing factor of approximately 200 μ m is useful to protect concrete from freeze-thaw damage.

当引气混凝土的气泡间距系数小于200μm时，混凝土具有较高的抗冻性。

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The radial runout of tooth ring of the coniflex gear, which is an important test item, is an important factor influencing the accumulated error of tooth spacing and the error of tooth spacing.

直齿锥齿轮的齿圈径向跳动是重要的检验项目，是影响齿距累积误差和齿距误差的重要因素。

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This paper introduces several cases of the radial runout of tooth ring, and probes into the influencing factors on and regulating methods for the accumulated error of tooth spacing and the error of tooth spacing.

介绍了齿圈径向跳动出现的几种情况，探讨了齿距累积误差以及齿距误差的影响因素及调整方法。

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The predicted fracture stress matrix cracking stress and crack spacing just have error less than 20% with the corresponding experimental value.

预测的断裂应力、基体开裂应力和裂纹间距与实测值最大误差在20%以内。

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Moreover, the welding speed effects on the fish-scale spacing and the defocus distance on the weld bead penetration and weld width mainly.

扫描速度对焊缝表面的鱼鳞状条纹间距影响尤为明显；离焦量主要影响焊缝的宽度和熔透性；

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Mo doping changes the growth dynamics of the nanotubes, and results in bigger interlayer spacing and shorter diffusivity distance and enhanced electrochemical performances.

掺钼改变了纳米管生长动力学，形成大的层间距和更短的Li~+扩散路径，改善了电化学性能。

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The rational spacing is the nearest distance between two tunnels when catastrophe.

小净距隧道合理净距的确定也即是隧道稳定性发生突变时两独立隧道最小距离的确定。

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Our simulation results show that when the ratio of amplifier spacing to dispersion distance is below 0.1, the performance of soliton system is well enough.

仿真结果表明当放大器间距与色散距离比值小于0.1时，系统能够保持良好的传输性能；

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Based on the construction practice the author discusses the concrete and wall cracks due to too much spacing distance between expansion joints and puts forward some suggestions on how to dispose the defects.

文章结合实际工程介绍国伸缩缝间距过大引起的结构或墙体裂缝，探讨处理此类裂缝的方法，提出防止裂缝出现的建议。

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The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.

探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。

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