查询词典 positioning

Manual valve to the slide-valve positioning means for positioning steel ball and spring structure of two kinds of reset.

手动换向阀的滑阀换向定位方式有钢球定位式和弹簧复位式二种结构。

Development of Digital Stereogram Automatic Positioning Recorder;2. The principle of a worm planet gearing mechanism for automatic positioning in packing process is analyzed.

分析了采用蜗杆─行星轮机构实现包装过程中自动定位的基本原理，给出了传动机构的设计方法和结构简图，为自动定位机构的设计提供了参考实例。

Results 31 cases of patients with biliary calculi in 46 cases (of which 30 cases with intraoperative findings basically the same, one cases of distal common bile duct stones misdiagnosed as ampulla negative tumors), The qualitative and positioning accuracy rates were 96.8% and 100% respectively;In 15 cases of patients with biliary andpancreatic tumors (9 cases of cholangiocarcinoma, 1 cases of gallbladder carcinoma, pancreatic cancer 2 cases, 1 ampullary cancer and 1 cases of congenital cysts), 14 cases were correctly diagnosed, The qualitative and positioning accuracy were 93.3% and 100% respectively.

结果 46例患者中31例胆道结石（其中30例与术中所见基本一致，1例胆总管下端阴性结石误诊为壶腹部肿瘤），定性、定位准确率分别为96.8％、100％；15例胆胰肿瘤患者中（9例胆管癌、1例胆囊癌、2例胰头癌、1例壶腹部癌、1例先天性但总管囊肿），14例得到正确诊断，定性、定位正确率分别为93.3％、100％。

Recently, with the rapid development of GPS receiver's hardware and software, all of those receivers are becoming smaller, less powered and the positioning turning to be quickly, the positioning tech has been widely used in engineering control survey, cadastration, and boundary survey .

通过GPS技术的应用研究认为，近年来GPS硬件和软件的迅速改进，接收机正向小型化、小功耗、快速定位的方向发展，促使GPS定位技术在工程控制测量、地籍测量、勘界测量等方面得到广泛的应用。

RESULTS: Twelve days after mandibular vertical functional positioning the condylar height increased. Nine days after mandibular vertical functional positioning the thickness of prechondroblast layer and chondroblast layer increased significantly compared with control groups. However the thickness of hypertrophic layer decreased significantly after 6 days' mandibular repositioning. No change was found in the thickness of mesenchymal layer during the experimental period.

结果：下颌垂直向功能性移位后12d，髁突高度较对照组显著增加，前斜面更倾斜；髁突后上区前成软骨细胞及成软骨细胞层厚度在实验第3~6天无明显差异，第9天开始出现显著变化，实验组较对照组显著增厚，这种变化持续到实验第12天；肥大软骨细胞层厚度在实验第3、9、12天，实验组与对照组无显著差异，在实验第6天较对照组显著减少，间充质细胞层变化不大。

Based on the analysis of the traditional absolute difference positioning th eory, the relative pseudorange difference positioning technique was researched and the equation of state which solves r elative position was given.

在对传统的绝对差分定位原理进行分析的基础上，研究了相对伪距差分定位技术，得到了求解相对位置的状态方程。

In this paper the mathematical models and methods for GPS single-point positioning are studied systematically on the theory.All kinds of error correction formulas are studied,such as ironsphere correction,troposphere correction,relativistic effect correction,earth rotation correction ,earth tides correction ,satellites antenna phase center offset correction. GPS single-point positioning programs is coded with pseudoranges and broadcast ephemerides,phases and broadcast ephemerides,and phases and precise ephemerides.And a great amount of computation has been done using the data collected .The results are computed with the 24 hour pseudoranges observation data before and after the canceling of the SA.

本文从理论上系统地研究了GPS单点定位的数学模型和方法，研究了各项误差改正公式，例如电离层改正、对流层改正、相对论周期部分改正、地球旋转改正、地球固体潮改正、卫星天线相位中心偏差改正；编写了伪距与广播星历、相位和广播星历及相位和精密星历的定位程序，并使用有关数据进行了大量的计算工作。

All the time,peoples researches are mainly focused on the amplitude positioning method,which is easily disturbed by background lights and noise.This method is limitary in applications.However,the phase positioning method, which is a quite promising technology, has the merits of high precision, simple signal processing circuits, strong ability of anti-interference,and so on.

一直以来，PSD 幅度法定位技术是人们的研究重点，该方法在测量过程中会受到背景光噪声等信号的影响，应用起来会受到约束，而采用相位法来实现定位，具有处理电路简单、检测精度高、抗干扰能力强等优点，因此具有很好的应用前景。

Lobal Positioning System is advanced navigating and positioning technology based on modern science.

PS是随着现代科学的发展而兴起的先进导航、定位技术。

Lobal Positioning System is the only perfect kind of new-generation precise satellite navigation system. GPS has been widely concerned on military and the civilian since it was used, which has been developed rapidly, for its characteristics of providing all-global, continuous, real-time and high accuracy 3-D positioning and velocity as well as time.

PS是目前世界上唯一最完善的新一代精密卫星导航定位系统，由于其具有提供全球范围的、连续的实时三维位置、速度信息和精确授时等功能，自投入使用以来，就得到了各国军事和民用部门的普遍关注，并得到了迅猛地发展。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。