| 1. | Prolactin releasing factor , prf
催乳素释放因子 |
| 2. | It ' s was found that the bias voltage and rf power influence the quality of film and prf
溅射时衬底偏压和射频功率可以影响膜的结构，从而影响prf值。 |
| 3. | 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。 |
| 4. | The tritium permeation reduction factor ( prf ) of 316l with film evaluated at 500 ? is above a factor of 104 , compared with 316l with pd film
与表面镀钯膜的316l相比，氚渗透率减低因子( prf )值达到10 ~ 4以上。 |
| 5. | They are the property of sum and difference beams , the errors of the elements and channels and different pulse repeating frequency ( prf )
这些因素包括和、差波束的特性、阵元和通道的误差、不同的脉冲重复频率( prf ) 。 |
| 6. | The hydrogen permeation reduction factor ( prf ) evaluated in gas phase is 620 ~ 263 and in liquid pb - 17li phase is 45 ~ 30
结果表明，实验所得到的氢渗透率减低因子( prf )为：在气相中， 620 263 ；在液态铅锂合金相中， 45 30 。 |
| 7. | To the phenomena of prf - ambiguity , this paper discusses the method of prf - ambiguity resolving by wavelength diversity . simulation is made to analyze this algorithm
对估计中会出现的模糊现象，讨论了波长差异法解模糊，并进行了仿真。 |
| 8. | A new real time internal calibration scheme resolved this problem . the high prf can improve the measurement resolution on large ocean wave , and the topex altimeter imposes 4200hz for prf , but the reason has not been published
( 5 )提出了大时带积高精度雷达高度计星上实时内校准方案，保证大时带积高度计可以实现在星上的闭环内校准工作。 |
| 9. | During helicopter slung - load flight , the main flight quality modes include : phugoid , dutch roll , longitude and latitude slung - load oscillation . according to the ads - 33e - prf specifications , the flight stability qualities had been evaluated
直升机机外吊挂飞行过程中,体现飞行品质的运动模态主要为荷兰滚模态、纵向浮沉振荡模态,以及吊挂物横向、纵向振荡模态。 |
| 10. | At last , combining the characteristics of the missle - borne high - prf pulsed doppler radar , this paper analyzed the difficulties and the possible technique approach in detecting and recogniting moving target using missle - borne high - prf pulsed doppler radar
最后，本文结合弹载高重频脉冲多普勒体制雷达的特点，分析了弹载pd雷达对机动目标进行检测、识别的难点及可采用的技术途径。 |
