精密度

The results indicated that regression curve was Y=47 741X+531.19,r = 0.999 9; the precision:average peak area 11 182.42,RSD 0.479 6%n=6

该制剂的回归曲线为Y=47 741X+531.19，r=0.999 9。精密度：测得平均峰面积为11 182.42，RSD为

Pure methyl esters were prepared using common oil plant seeds and the fatty acid composition of the achieved oil was measured by capillary column chromatography.The kinds and dosage of reagents for fast preparation of the methyl esters were investigated and the chromatographic conditions using two kinds of capillary columns were optimized.

本研究通过参考文献，直接使用常见油料植物种子制备纯油甲酯进行分析，探讨了快速制备甲酯的试剂选择及用量，强极性和弱极性的两种不同类型毛细管柱的最佳色谱分析条件，并将测定的主要脂肪酸含量与国家标准进行比较，结果较为一致，而且平行测定的相对标准偏差表明方法有较好的精密度和重复性。

The average recovery was 99.33% with RSD 0.49%. Conclusion The method is simple, accurate, reproducible and suitable for the determination of permethrin in anti-mosquito clothes.

此方法操作简便，精密度和准确度较高，可作为检测摫芪美鄶衣物中氯菊酯含量较为理想的方法。

As the lens barrel is provided with the inner metal tube which is integrally formed together with the outer plastic tube, the problem that the precision of the lens barrel is not enough due to the cooling shrinkage deformation of the common lens barrel adopting a plastic material is avoided.

由于所述镜筒具有一金属内筒，且其与所述镜筒的塑胶外筒一体成型，故可以避免普通镜筒采用塑胶材质时冷却收缩变形而导致镜筒的精密度不够的问题。

Second, corrosion knife mold, Corrosion of high-precision CNC engraving, cutting-edge technologies through high-treatment of the knife mold a new type of precision, small size, light weight, high precision, easy to preserve.

二、腐蚀刀模，采用高精度CNC腐蚀雕刻，通过高尖端技术处理的一种新型的精密刀模，体积小、重量轻、精密度高、易保存。

These products are with good graces by many super hospitals, high precision, strong function and well-treated effect are the main reasons.

此种设备由于精密度高、功能强大，治疗效果明显而受各大医院的青睐。

The investigation of vibration-proof platform is very significant for precise instruments.

中文摘要防震平台的研究对确保仪器的精密度是非常重要的。

Objective:To establish and prove the method to determine the fluorine in water sample by using the two-point locating .

本文通过对标准方法的再研究，结合监测仪器的特有性能，提出用两点定位法测定水质样品中的氟，通过对实验样品的精密度、准确度分析，本方法的标准偏差在0。

It was concluded that using this method to determine sulphur-containing and phosphorus-containing substances solutions was possible,however,in order to apply it to micro analysis in practical water samples,apparatus must be improved to eliminate impact of molecular structure on emission.

检测磷主要采用中性过硫酸钾消解、钼锑抗分光光度法，手工操作繁琐，人为不确定因素会导致精密度不理想[5]。

The company has first-class production equipment and supporting system for the import of professional high-precision automatic machinery, the production of a professional technical team and experienced engineering and maintenance staff, with many famous enterprises at home and abroad to establish a good, long-term strategic partnership relations, product line also popular with professionals certainly

公司拥有一流的生产车间设备，并配套系统的进口高精密度全自动专业机械，以专业的生产技术团队及经验丰富的工程维护人员，与国内外众多知名企业建立良好的、长期的战略合作伙伴关系，产品也深受行内专业人士的肯定

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。