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。
This paper discussed the importance of precision drilling in high-yield cultivation technique of winter wheat.
本文分析了冬小麦精密播种在小麦高产栽培技术中的意义。
A member of a French infantry unit, formerly composed of Algerian recruits, characterized by colorful uniforms and precision drilling.
法国的一种轻步兵，原由阿尔及利亚募集组成，以严格的训练和穿华丽服装著称。
A member of a French infantry unit, formerly composed of Algerian recruits, characterized by colorful uniforms and precision drilling.
佐阿夫兵法国的一种轻步兵，原由阿尔及利亚募集组成，以严格的训练和穿华丽服装著称。
In this paper, we study the effects of laser beam characteristics as well as optical and working system parameters on holes quality in laser precision drilling.
本文研究了激光精密打孔中，激光束性能、光学及工件系统参数对孔质量的影响。
But the cost of drilling is high, and the electric or shallow seismic explorations are limited by layer media and have lower precision.
钻探成本高，浅震和电法都存在有层状介质的局限性及勘探精度的问题。
My company has lathe, instrument lathes, high-precision unmotivated Grinder, drilling and other machinery and equipment to meet customer demand.
我公司有车床，仪表车床，高精度无心磨床，钻床等机械设备以满足客户的需求。
This comprehensive method avoids the multi-explain resulted from applying single technique, promotes the precision in predicting similar oil and gas reservoirs, then reduces the drilling risk.
该套综合分析方法避免了单项技术分析的多解性，可以提高同类油气藏储层预测的精度，从而降低钻探风险。
In general drilling, axes decline and diameter enlarged of the hole are the main problems to affect the precision of machine tooling.
麻花钻普通钻削中，孔轴线的偏斜和孔径的扩大是影响其加工精度的主要问题。
However, because of lacking high efficiency and high precision for the measurement of craters on the conical surface rock, the traditional single row drilling experiment is carried out on planar rock.
由于缺乏对锥面岩石破碎坑的有效的、高精度的测量手段，所以传统的单齿圈试验都是针对平面岩样进行的。
As a result of using the cone sharpening method sharpening drilling cutter's Flank, improving surface quality and machining precision, extending the lifetime of the drilling cutter substantially.
采用锥面磨削法刃磨钻削刀具的后刀面，可显著提高刀具的使用寿命，有利于保证工件加工精度和提高工件表面质量。
This method properly determined the sample quantity to make core drilling amendment with the confidence degree and precision estimate theory of error theory.
在该方法中，利用误差理论中的置信度和估计精度理论，合理确定钻芯修正所需要的芯样数量。
The high speed drilling shaft and pin cylinder system work at the same reference axis to ensure high work precision and convent operation.
高速精密钻孔主轴和钉销气缸系同基准轴线上工作，能保证工作精度高，操作方便。
Gun drilling is a high efficient and high precision hole processing method extensively adopted in foreign countries.
枪钻技术是一种高效率、高精度的孔加工方法，国外已广泛采用。
In this paper we put forward a method of precision laser drilling with plane convex resonator and focusing of quasi-light column.
本文提出采用平凸光学谐振腔准光柱聚焦精密激光打孔方法。
The processing efficiency is low but the labor cost is high when the traditional method for drilling hole is used, also the processing precision is difficult to guarantee.
采用传统钻孔加工方法，加工效率很低，人工成本很高，且加工精度质量很难保证。
In order to improve the drilling quality and the automation of the precision drill, an automatic monitoring alarm and digital seed rate display system was developed.
为了提高精密播种机的工作质量和自动化水平，研制了工况自动监控报警系统及播量数显系统。
The precision of stack velocity and interval velocity provided by common NMO correction processing method can't meet the need of predicting the pre-drilling press.
常规动校正处理方法提供的叠加速度及层速度精度不能满足钻前压力预测的需要。
A clamping surface of the completion of three milling, drilling, tapping, chamfering and other multi-precision machining.
一次装夹完成多面铣削、钻孔、攻丝(选配)、倒角等多功能精密加工。
The technology of monitoring well bottom while drilling has high precision, which can control borehole pressure more precise, but also the scope of the pressure gradient is well established.
井下随钻流量监测技术具有很高的监测精度，能够对井眼压力进行更加精细的控制，还能够对压力梯度范围很好的确定。
A theoretical basis may be provided for analyzing and forecasting the frictional resistance in horizontal drilling. A high calculation precision can be obtained.
该力学模型和理论方法为水平井摩阻分析预测提供了理论依据，并具有较高的计算精度。
This paper develops a new approach for tooling high-precision coordinate holes by using common drilling machines.
本文提供了一种用普通钻床加工高精度坐标孔的方法。
The experiments show that the ANN systems are of high precision. It also provides a new study and analysis method for the study of vibration drilling.
实验表明，ANN优化精度较高，为振动钻削研究提供了新的分析方法与途径。
Optimum selection of precision laser drilling with laser beam characteristics as well as optical and working parameter;
在复制法激光打孔中 ，激光束的横向模式决定着加工孔的形状和尺寸精度。
Medical equipment-artificial hollow bones, high precision parts deep hole drilling.
医疗器材—人造骨中空孔、精密零件深孔加工。
The utility model has the advantages that the verticality of the axial lead of the electric drill and a basal plane is good, and the machining precision of drilling holes is high.
该磁座钻的电钻轴心线与基面垂直度好，钻孔加工精度高，有很好的推广应用前景。
Precision servo motors on x, y, Z axes provide excellent stability during drilling.
轴采用精密伺服电机，在打孔过程中提供了优异的稳定性。
The detection precision is high, the incidence, the fallout ratio and the omission ratio of the non-drilling through hole on the glass product are reduced, and the labor intensity is also reduced.
检测精度高，降低了玻璃制品上未钻通孔的发生率和错、漏检率，也减轻了劳动强度。
The detection precision is high, the incidence, the fallout ratio and the omission ratio of the non-drilling through hole on the glass product are reduced, and the labor intensity is also reduced.
检测精度高，降低了玻璃制品上未钻通孔的发生率和错、漏检率，也减轻了劳动强度。
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