精度

More over an auto-emendation arithmetic is brought forward and achieved to minish error.

同时，针对管道残留量、下料冲击和其他因素变化对配料精度的影响，作者提出了关断提前量的自校正算法，以消除误差，确保配料精度。

The densities for HNO3-UO2(NO3)2,NaCI-Na2SO. and KCI-Na2SO4 aqueous ablutions were measured with a high precision densimeter at 25℃. The apparent molal volumes were obtained from the measured densities. An empirical equation is introduced to correlate densities for mixed electrolyte aqueous solutions.

用高精度密度计测量了25℃下 HNO3－UO2（NO3）2， KCI－Na2SO4和NaCl－Na2SO4水溶液的密度从而求出了相应的表观摩尔体积；建立了用于混合电解质溶液密度关联的经验方程，用此方程对9个混合电解质水溶液体系的密度进行了关联，精度较高。

Through the single chip computer controlling the synchronous gate, actualizes the measured signal and standard signal's synchronous measure in strobe time. For improving accuracy, it turns the function of frequency count into measuring period and actualizes equal accuracy measure by adopting the technology of the Multicycle Synchro-measuring.

通过单片机对同步门的控制，使被测信号和标准信号在闸门时间内同步测量，为了提高精度，将传统的测频功能转为测周期，采用多周期同步测量技术，实现了等精度测量。

A new method is put forword which assures aiming accuracy by corrceting aiming angle instead of leveling launcher, as there remain many problems in multitube rocket launcher adopting leveling launcher to assure aiming accuracy.

针对多管火箭发射车采用调平保证瞄准精度存在的问题，提出根据发射车纵轴、横轴的倾角值，推导出瞄准角修正量的计算公式，实现不进行发射车调平而采用瞄准角修正的方法，来保证瞄准精度，达到缩短发射准备时间，实现非预设阵地的发射。

Prospect future, super voice the wave spread the feeling machine conduct and actions a kind of new count for much and useful tool and will have very big development space in everyone's noodles, it wears the dynasty more high to position the direction development of the high accuracy to develop increasingly by satisfy of social need is basic such as the development trend of the sonar is:Develop to have higher fixed position accuracy of passive measure to be apart from sonar to carry out the demand of whole concealment attacks by satisfying weapon in water;Continue to develop the submarine of the adoption low frequency line table examination to drag the line array sonar, carry out super long range of passive probe into and identify;Develop the submarine sonar of the more suitable for neritic work, resolve the target in the neritic water to identify a problem especially;Lower a submarine strongly from the bad voice, the work environment of the improvement submarine sonar.

展望未来，超声波传感器作为一种新型的非常重要有用的工具在各方面都将有很大的发展空间，它将朝着更加高定位高精度的方向发展，以满足日益发展的社会需求，如声纳的发展趋势基本为：研制具有更高定位精度的被动测距声纳，以满足水中武器实施全隐蔽攻击的需要；继续发展采用低频线谱检测的潜艇拖曳线列阵声纳，实现超远程的被动探测和识别；研制更适合于浅海工作的潜艇声纳，特别是解决浅海水中目标识别问题；大力降低潜艇自噪声，改善潜艇声纳的工作环境。

Systemic researching of these phenomena, finding the principle of them and decreasing the effections of the nonuniformly sampling with post data processing, will promote the development of the time-interleaved ADC system.

随着数字信号处理技术的发展，ADC的采样速率和精度成为各种电子系统的瓶颈，提高ADC的采样速率和精度成为学术界和仪器厂商的首要目标。

The orthograph maps coded according to certain specification and the geological interpretive maps can directly input the digital explorative apparatus linked with GPS. On the fieldwork the geo-workers can carry out real-time, high-accuracy position and then write down the description of geo-objects, thus the method can greatly reduce labour intensity, enhance the working efficiency and the mapping quality, and improve the research precision, research degree and research cycle of traditional surveying in deed.

按照一定规格编码的数字正射遥感影像地图及其地质解译图可以直接输入野外数字采集器，并与手持GPS连接，在野外现场实时高精度地定点和描述记录，从而大大降低野外地质工作者的劳动强度，提高工作效率和填图质量，真正意义上改善了传统区域地质调查的研究精度、研究程度和研究周期。

The main conclusions are the following:1 It is a effective means that making use of the high resolution remote sensing imagery has quickly and dynamically investigated and monitored the land use type ofRed Water River, and has carried through the four grades of classification, and its result has achieved the precision requirement of the minimum area of obvious land use type (cultivated land, field, economic forest) less than 9 pixel of imagery, area precision 9~27 pixel and 0.33 hectares.2 It is a high-efficient and feasible means that making use of the digital managing technology of wave band merging, precise geometry correction, imagery merging, imagery strengthening, imagery cut out and inlay, and making the orthograph, etc, and observing on the spot to data analysis, it has carried on people-computer interactive screen translating to the remote sensing imagery data of high resolution by using many kinds of geographical information systems soft ware.

主要结论如下： 1 利用高分辨率遥感影像进行快速、动态调查与监测红水河流域土地利用类型，并将土地利用类型进行到四级分类，达到重点地类图上最小面积9个像元，面积精度9～27个像元、1.5亩的精度要求，是一种行之有效的方法。

In order to overcome the difficulty in estimating the ripple component on dc-side capacitor reference voltage, the modified control algorithm is proposed by ignoring the ripple component. Furthermore, the relation between control performance and damping coefficient is researched. In addition, the reasons of voltage source converter inner-loop control overmodulation are also analyzed. Based on the relation between control performance and VSC inner-loop input saturation, damping coefficient is adjusted on-line by fuzzy logic reasoning so that the trade-off between control accuracy and limitation of VSC inner-loop control overmodulation is solved preferably.

由于在线计算直流电容指令电压波动量十分困难，在控制方法的执行中忽略波动量的影响，简化了控制方法的实现；此外，该方法还研究了所注入的阻尼大小对控制效果的影响以及APF内层控制过调制产生的原因，针对无源性控制律跟踪精度的要求与内层控制过调制限幅条件间的矛盾，通过构造模糊逻辑推理环节实现阻尼系数的在线调整，在满足内层控制限幅条件下确保跟踪精度和补偿效果。

With two autocollimations and a big flat mirror, the precision of the parallelization tester can be better evaluated.

利用两个精度为0.1的自准直平行光管和一块平面反射镜检测平行度测试仪精度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。