查询词典 precision block

FEATURES: Hardened and precision-ground bedways, the spindle is supported with precision taper roller bearings, gears in the headstock are made of high-quality steel, hardened and ground, speed-changing levers driven by fan-shaped gears, operating easily, safe interlock and a overload safety devices in apron, electromagnetic braking, cooling and lighting devices are supplied.

特点：床身导轨表面经淬火和精密磨削，主轴支撑采用精密圆锥滚子轴承，主轴箱内齿轮采用优质钢并经表面淬火和磨削，变速机构采用扇型齿轮传动，操作灵活方便，溜板箱设有安全互锁装置和过载保险机构，配有电磁刹车、冷却及照明装置。

In order to improving system's precision, many techniques such as improving precision of calculagraph ,using various of filters, on-line temperature compensator, echo location criterion are needed and designed.

为了提高系统测量的准确性和精度，采用了提高计时器分辨率、多重滤波、声速校正以及波形分析算法等措施。

My company has more than sophisticated Centerless Grinder, straightening machine, precision polishing machine, precision lathes, milling machines drilling.

我公司拥有多台精密无心磨床，校直机，精抛光机，精密车床，钻铣床。

The results show that, all the three methods can effectively correct the frequency, the energy centrobaric correction has the lowest precision and the ratio correction is the fastest and its precision is almost not affected by the change of signal to noise ratio.

结果表明：3种算法都可以使信号的频率更接近于真实值，其中能量重心法校正精度相对较低，比值法和相位差法精度较高，尤其是比值校正算法处理速度更快，校正的精度基本不受信噪比的影响。

The results show that,all the three methods can effectively correct the frequency,the energy centrobaric correction has the lowest precision,and the ratio correction is the fastest and its precision is almost not affected by the change of signal-to-noise ratio.

标 签 信号处理激光多普勒测速仪离散频谱校正快速傅里叶变换 signal processing laser Doppler velocimeter discrete spectrum correction fast Fourier transform

In February 2004 are to set up a import and export trading company, main production of the Italian RC Group and the central air-conditioning, are the Group Products in China, importers and distributors, the company also imports Italian UN room precision Clima Italian air-conditioning and room precision air conditioning, heating equipment Toyotomi Japan, Australiaéseries of wine sales in China; and operates various types of luggage, bags of domestic and export business.

上海纪之烁国际贸易有限公司是2004年2月成立的一家进出口贸易公司，主营意大利RC集团产的和中央空调，是集团产品在中国的进口商和经销商，公司同时还进口意大利UN机房精密空调和意大利CLIMA机房精密空调、日本TOYOTOMI冷暖设备、澳大利亚伯南伍德系列红酒在中国地区销售；并经营各类箱包、袋的内销和出口业务。

The precision lathe with high coaxality based on a precision lathe , whose accuracy bas been improved, employs a hollow hydrostatic spindle to hold the workpiece and a contrate gear disc with dividing accuracy .

高同轴度精密车床是在精化过的精密车床的基础上，用空心液体静压主轴装夹零件，用分度精度。5的端齿盘实现工件的掉头加工。

In high precision conventional GPS kinematic positioning, the essential precision ambiguity resolution is obtained by GPS static measure for a long time before the airplane takes off or after it landed. And the cycle slip is disallowable.

利用动态GPS定位技术获取航摄仪摄站坐标的一贯做法是要求飞机起飞前和着陆后进行一段相当长时间的初始化并保持一个架次内GPS信号连续。

The design on the receiver of Strong Current Source TEM and the data collection system. In order to increasing the depth of exploration and enhancing the measure precision, it need to decrease the minimal discriminable voltage, besides increasing the current intensity. 3. the program of interpretation software and precision of interpretation.

强场源瞬变大地电磁系统的接收机及数据采集系统设计问题在加大工作电流的同时，尽量降低系统的最小可分辨信号电平，这就意味着探测深度与精度的相对增大与提高，这对数据采集系统提出了更高的要求，要求数据采集系统动态测量范围大，最小可测电压的能力与信噪比高。

The control methods in existence can not suffice for the needs of tracking precision bit by bit. How to improve the tracking precision has come to be the disquisitive highlight recently.

现有的控制方法已渐渐不能满足控制精度的要求，如何提高伺服系统的跟踪精度成为近年来研究的热点。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切