prf的例句大全

Many temperature sensitive MR parameters, such as spin-lattice relaxation time T1, water diffusion coefficient D and water proton resonance frequency ( PRF), can be exploited for MR temperature mapping.

磁共振温度成像可基于多种温度敏感的磁共振参数，如自旋-晶格驰豫时间T1、扩散系数D和水质子自旋频率（PRF）。

Results; The effective rate of TZD and PRF were 92. 85% and 62. 85% respectively ( P < 0. 01).

结果：曲唑酮的有效率大于布洛芬，分别是92.85%和62.85%（P<0.01）；

among these, the method based on water proton resonance frequency ( prf) shift becomes the most promising way because of its linearity and tissue non-dependency.

有多种MRI技术可用于获得人体组织的相对或绝对温度，其中基于水质子共振频率偏移（PRF）的方法由于其线性和组织无关性而最多被采用。

This paper presents a method extracting target acceleration by using discrete Wigner-Ville distribution under low pulse repetition frequency ( PRF) and a finite number of samples, velocity information ( Doppler frequency) of target can be obtained simultaneously by using the time-frequency analysis method.

提出了一种在低脉冲重复频率（PRF）和对目标采样数有限情况下提取加速度信息的方法。用这种离散时频分析方法同时也能获得目标的速度信息（多普勒频率）。

a new algorithm for range and velocity ambiguity resolution at medium prf

一种中重频下联合解距离速度模糊的新算法

aeroshell grease 7 is qualified under the mil-prf-23827 type ii specification.

大气外壳润滑脂七是根据资格符合MIL-PRF-23827第二类规范。

The membership number on entry form and the PRF should be identical.

报名表上的会员编号必须与付款记录表相同.

Compared with the normal group and the PRF group, the average areas, mean diameter and area density of nerve fibers after operation in the RFTC group was higher ( P < 0.05), but the quantity of nerve fibers was less ( P < 0.05);

射频热凝组即时神经纤维的平均面积、平均直径和面密度高于正常组和脉冲射频组（P<0.05），但数量低（P<0.05）；

We have people at the PRF base stealing the nukes.

我们派人去人民革命阵线基地偷那些核武器。

Three pulse cancellation method is used and the PRF is programmable.

该对消器采用三脉冲对消方案,脉冲重复频率可编程.

High PRF and inverse receiver are often used in radar missile guidance.

在雷达导引头中经常采用高PRF倒置接收体制.

The Design of AGC System for Signals Exhibiting Rapid Changes in Average Strength and Unknow PRF

信号快速变化且PRF未知时比幅单脉冲接收机的中放AGC系统

In production environments, the noise immunity and high PRF makes it ideally suited to-line testing systems.

对于生产环境, 其抗扰度和高刷新率使得该设备可以适合理想的线性探测系统.

Members should bring along One cheque, Payment Record Form ( PRF ), original membership card and Entry Forms.

会员须携同一张支票 、 一份付款记录表 ( PRF ) 及会员证正本并连同所有报名表递交.

Objective: To observe the effects and side-effects of trazodone ( TZD) and analgesic ibuprofen ( PRF) in the treament of persistent somatoform pain disorder.

目的：观察曲唑酮与止痛剂对持续性疼痛性躯体形式障碍的疗效与副反应。

Synthesized signals with different pulse repetition frequencies ( PRF) and main vibration frequencies ( MVF) were presented to the brown planthopper.

利用DAASIAS对褐飞虱雌、雄虫分别回放不同脉冲重复频率PRF和主振频率MVF组合的人工模拟信号，根据对信号敏感的试虫比例，筛选出褐飞虱雌。

Results; The effective rate of TZD and PRF were 92. 85% and 62. 85% respectively ( P < 0. 01).

结果：曲唑酮的有效率大于布洛芬，分别是92.85%和62.85%（P<0.01）；

The method using triple PRF is able to correct errors automatically, and can detect the maximum unambiguous range.

用三重PRF解模糊数法具有自动纠错能力，且可检测最大距离达到三重PRF最大不模糊距离。