DESIGN: Prospective, multicenter, parallel-group, open, and randomized comparison.

We a prospective multicenter randomized trial to compare these two treatment strategies.

我们采用可预期的多中心随机实验方法来比较两种治疗方案.

This paper has developed a multicenter system of time controller based on single-chip microcomputer AT 89 C 4051.

介绍了一种以AT89C4051单片机为控制核心的多路定时控制系统.

The most common form in dogs is multicentric, involving the lymph nodes.

犬类中最常见的情况是多病灶, 并影响到淋巴结.

The tumors are frequently multicentric, and a thyroid scan does not always reflect areas of involvement.

肿瘤呈多中心,甲状腺扫描并不总能显示病变部位.

This paper discusses control method, system programming technology of multichannel Electrohydraulic servo harmony loading system.

介绍了一种多通道电液伺服加载系统的软硬件设计和实现过程.

The control functions for flying shears , auxiliary guide path , multichannel device , etc. are described espeially.

着重介绍了飞剪 、 辅助导槽和分路器等的控制功能.

A multichannel input sampling and processing system is designed based on processor ( DSP ) and serial bus ( USB ) technology.

基于DSP芯片和USB总线技术,设计了多通道数据采集处理系统.

A low cost multichannel data communication system using computer 8031 and MC 145027 decoder is presented.

介绍用8031单片机和MC145027译码器组成的一种低成本多路数据通信系统.

Electrical transducers recording on multichannel oscillographs are necessary for most structural dynamic tests.

大多数结构动力试验都需要可在多道示波器上进行记录的电气传感器.

In this paper, a portable microsystem with thin film biosensors for multichannel biochemical measurement is reported.

本文介绍了用于检测多种生化参数的手持式多通道微系统的研制过程.

This paper designs a kind of multichannel wireless fire alarm system.

设计了一种多路无线火灾报警系统.

The infrared multichannel system of remote control can realize the infrared switch control of 16 roads.

本文介绍了红外多路遥控系统.红外多路遥控系统可实现16路的红外开关控制.

The paper describes the Multichannel Analyzer ( MCA ) based on digital peak searching technology.

介绍了一种基于数字寻峰技术的多道能谱测量系统.

Result indicates that Fuzzy Principal Component Method can improve multicollinearity of Least Squares Estimate.

结果表明,这种方法改善了最小二乘回归中的多重共线性问题,具有实用价值.

The parameter estimation problem in linear model is considered when multicollinearity and outliers exist simultaneously.

本文讨论复共线性和粗差同时存在时线性模型的参数估计问题.

The least Square estimates are not reliable when there exists multicollinearity in adjustment model.

当平差模型中存在复共线关系时,未知参数的最小二乘估计很不可靠.

One problem in the preparation Multicolor Coating was how to keep the dispersed colorful granules stable.

水包水型多彩涂料制备过程中的难点是保持彩粒的分散稳定性.

Multicolor printing , no chromatography needed, perfect color transition, alarming printing results.

一次印刷多色, 无须套色, 完美的颜色过渡, 惊人的印刷效果.

Business card printing and membership card CD disc envirogluvtm 80 multicolor.

制卡和会员卡制作CD平盘的油不朱可达80众色.

Familiar with surface and subsurface silkscreen multicolor printing.

熟悉表面及表面下多色丝网印刷.