This paper proposes a computation method for initial orbit determination and orbit improvement with ranging and range rate data at low angular measurement accuracy or unavailability of angular measurement data based on the ( Unit-Vector-Method ( UVM)) principle.

Taking ultrasonic vibration cutting ( UVC) as an example, this paper puts forward a method of tuning automatically for ultrasonic vibration machining ( UVM).

本文以超声波振动切削为例介绍了超声波振动加工中自动调谐技术的实现方法。

Because of changing the structure of UVM, we design the physical mapping and the management of kernel address space over again.

由于改变了UVM的结构，我们对物理映射和内核地址空间的管理作了重新设计。

Scan the exposure X-ray images with UVP gel imaging analytic system to calculate the respective optical density ratio of bands represent objective proteins to band of GAPDH. Then we can get the variation tendency of each proteins. 5.

将曝光后X-ray照片用UVP凝胶成像分析系统进行扫描，计算各基因蛋白条带与内参GAPDH蛋白条带的光密度比值，推算各凋亡因子表达的变化趋势。

Unidirectional valve patch ( UVP) were used to repair theVSD; The application of high frequency jet ventilation in anesthesia of video-assisted thoracoscopic surgery in the closure of ventricular septal defect

术中应用顺单向活瓣补片修补室缺；高频喷射通气用于胸腔镜下室缺修补术的麻醉

Experimental Study on the UWF Partial Discharge Characteristics of the Disk-spacers in Different Parts of GIS in Service

运行中的GIS不同部位盘式绝缘子超宽频带局部放电特性试验研究

Then, the domestic paper expatiates on the status of the acoustic modem and the comparison among different acoustic modem products. And explains why the UWM 4000 acoustic modem as a basis to establish for acoustic communication system is the inevitable choice.

接着，论文通过阐述水声调制解调器的现状及比较国内外主要水声调制解调器生产厂家的产品，说明UWM4000水声调制解调器是作为水声通信系统的建立基础的必然选择。

During the development of a device suitable for the measurement of oxide layer thickness of water-gas generator ( abbr. UWM), several approaches related to the improvement of its reliability design have been presented in this paper.

本文介绍在研制煤气发生炉氧化层厚度测量装置（简称UWM）的过程中，如何提高其可靠性的思想和方法。

The Reliability Design of UWM Device

UWM装置的可靠性设计

In this paper, a measurement system of UWS electromagnetic pulse radiating field is developed, which consisted of TEM horn, coaxial transmitting line, wide band oscillograph and data processing software for the compensation of signal attenuation and aberration.

介绍了一套自行研制的高功率超宽谱电磁脉冲辐射场测量系统，该系统主要由TEM喇叭接收天线、同轴传输线、宽带示波器及微型计算机组成。

This paper introduced some influence factors ( IF) of urban water supply ( UWS) and lacking of water in the city, and the relationship between IF and UWS was initially reviewed.

分析了城市缺水及影响城市供水的诸多因素，探讨了供水影响因素与城市供水间的关系，提出了大气降尘污染因素引起的城市供水增加的污染率计算模型。

Study on Velocity-measuring Method of Moving-target by Time-domain Doppler in UWS Impulse Radar

UWS冲激雷达时域多普勒测速算法研究

With such scatterable munitions as submunitions and scatterable mines being widely used in the modern battlefields, unexploded ordnance ( UXO) is a serious problem.

现代战场上子母弹、撒布地雷等撒布弹药的大量使用，带来了严重的未爆弹药问题。

The United States is exploring with friends and partners new initiatives to address this challenge including the launch of a new regional project to remove UXO from Tarawa, Kiribati.

美国正在与盟友和合作伙伴探讨应对这项挑战的新倡议，包括开展新的地区项目来清除基里巴斯塔拉瓦（Tarawa）的未爆炸武器。

Wife: I realized that my husband died because of UXO.

我知道丈夫是因为未爆弹而死的。

Therefore, cooperative diversity has been proposed, which enables single-antenna users to exploit space diversity in a distributed way by sharing their antenna and creating the virtual antenna array ( VAA) for relayed transmission.

合作分集技术是利用其他用户的天线构成虚拟天线阵（VAA），中继传输信息，从而实现分布式空间分集。

Distributed antennas belonging to multiple users in the wireless network are collected, each with their own information to transmit, so that the users form a "virtual antenna array" ( VAA).

分布在无线网络节点上的每一根天线都有自身信息要传送，且集合起来组成虚拟的天线阵列（VAA）。

Considering TDMA scheme, two nearbour vehicles are conjoined by an interaction radio link to create a Virtual Antenna Array ( VAA).

采用时分方式，将车间通信网络中两个邻近的中继车辆通过无线协同通道信息交互后形成了一对虚拟天线阵。

Objective To study the effect of clinical application of viable aortic homograft ( VAH) in great vein surgery.

目的观察自行设计的活性同种血管（VHA）在肺外科手术应用的效果。

The VAM Power Plant now under construction in Australia

澳大利亚VAM发电站

Different types of tobacco had different preference for VAM fungi species.

不同类型的烟草与VAM真菌的不同种之间存在一定选择性。