查询词典 precision

Precision management system is developed to carry through accumulative precision control.

开发精度管理系统进行累计精度控制。

In addition, airscrew of type of JY series level is static balancing of appearance detect precision is very tall also, the technical personnel of lay-up institute applies contemporary small processing to detect the airscrew of type of level of 2 tons of grade that the technology develops is static balancing appearance, its detect lopsidedly precision is the smallest can amount to 45 grams.

此外，JY系列水平式螺旋桨静平衡仪的检测精度也非常高，修船探究所的技术人员应用现代微处理检测技术研制的2吨级水平式螺旋桨静平衡仪，其不平衡的检测精度最小可达45克。

But in those occasions which require high precision such as electronic analytical balance, the close-loop mode must be employed to improve the precision of measurement.

但在高精度测量条件下，如电子分析天平，则必需采用闭环控制引入反馈环节，提高测量精度。

For general engineering problems, the analytical transformation rules are sufficiently accurate to design the similar cascade profile, but further improvement of the precision is limited by the one-dimensional assumption of the transformation, therefore an inverse blade design method—influence matrix method, based upon the surface vorticity model, is developed to improve the precision effectively.

进一步讨论了在具有相同表面压力系数分布的情形下，进口马赫数对附面层发展的影响，发现在一定条件下，只要表面压力系数的分布相似，则叶面附面层发展情况及无量纲气动力参数也将存在相同精度的相似，这一结论使我们在进行相似流场模拟的模型设计中，得以只进行无粘流场之间的相似变换，从而大大减少相似模型设计的工作量和复杂性。

The check and measure methods of Bragg angle step and precision etc. parameters with high precision autocollimation are investigated.

针对同步辐射光束线中的弧矢聚焦双晶体单色器，研究了高准确度自准直平行光管对Bragg转角的步长分辨、转角准确度等参量检测的方法。

The precision of photoelectric Autocollimator in our country is low, so the research of how to improve its precision is necessary.

国内光电自准直仪的精度较低，提高光电自准直仪精度的研究势在必行。

My company's small precision CNC lathes to medium and small-diameter shaft parts for the purpose of turning to high-precision, high-speed precision machining to the latest demand.

我公司的小型精密数控车床以中、小直径盘轴类工件的车削为目的，以高精度、高速度适应最新的精密加工需求。

The company has Asia's first large-scale YKM51250 precision CNC shaping machine design development and debugging of key personnel and technology, the company has Guoneishoutai column feed into large-scale precision CNC machine - YKM51130 the design and manufacture of performance, the company has And Wazhou Group, the coal-Zhangjiakou, north of Qiqihar machines, Jiangsu Qidong VIA Machinery Co., Ltd., CITIC重型机械厂Luoyang in Henan and other large state-owned enterprise groups, as they painstakingly created a big three-axis precision CNC slotting machine products .

公司拥有亚洲第一台YKM51250大型数控精密插齿机设计开发及调试的主要人员及技术，公司拥有国内首台立柱进给大型数控精密插齿机—YKM51130的设计制造业绩，公司已先后与瓦轴集团、张家口煤机、齐齐哈尔北方机器、江苏启东威盛机械有限公司、河南洛阳中信重型机械厂等国有大型企业集团合作，为他们精心制造了大三轴数控精密插齿机产品。

With a history of nearly 50 years, the Institute has researched and developed the following major technologies and products: vertical/horizontal machining center, precision and ultra-precision machine tool,ball screw, coordinate measuring machine and other precision measuring instruments and equiment,pneumatic-hydraulic/electro-hydraulic technology and concerned products; EDM technology and equipment; NC system and driving device; laser machining technology and relative product; computer application technology,etc.

北京机床研究所具有国内领先的技术水平和实力及近五十年的数控机床技术开发、应用、维护经验，为用户提供全程的、全方位的技术支持服务。近五十年来，我们从事研发的主要技术与产品有：立卧式加工中心；精密及超精密机床；滚珠丝杠副；三坐标测量机及其它精密测量仪器设备；气液电液技术及相关产品；电加工工艺及设备；数控系统及驱动装置；激光加工技术及相关产品；计算机应用技术等。

Companies are equipped with advanced production equipment and inspection equipment: CNC Center CNC computer lathes, CNC Sodick wire-cutting, CNC EDM, professional inner circle grinding, precision cylindrical grinding, precision surface grinding and other advanced processing equipment and optical projection Yee, hardness tester, surface sand blasting machine, marking machine, such as the surface of high-precision testing equipment.

公司配备有先进的生产设备和检验设备：CNC中心拥有CNC电脑车床、沙迪克CNC线切割、CNC电火花成型机、专业内圆磨、精密外圆磨、精密平面磨等先进加工设备及光学投影议、硬度计、表面喷砂机、表面打标机等高精度检测设备。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。