音标与读法

这里为大家介绍下pfd 是什么意思，希望能帮助到各位朋友。

中英文翻译

pfd, pfd.

＝preferred.

例句与用法

1.Pfd product function definition

产品功能定义

2.Pfd primary flight display

主飞行显示

3.Pfd impact breaker is a new type of high - efficient breaker mainly used in electricity - generating stations for reduction of coal

Pfd反击式破碎机为新型破碎机，主要用于电站碎煤用。

4.Fig . 4 response of npq to pfd in control and fe - deficient plants 。 the left side is maize ; the right side is soybean

图4对照及缺铁植株非光化学猝灭光化学效率（ npq ）对光强的响应。左侧为玉米，右侧为大豆。

5.Process flow documentation provides support personnel with a detailed and technically accurate view of how given processes within a product are supposed to work

处理流程文件pfd提供支援人员对于产品内给定的处理程序的运作方式详细且技术性的精确观点。

6.The thesis will emphasize the design of loop circuits which comprise pfd , cp , lp and vco in chap3 - 5 , and the analysis of loop performance is also very important

在整个设计过程中，作者针对当前集成电路的低功耗设计趋势，采用了多种低压电路结构，使得环路可以稳定的工作在各种采用电池供电的便携式系统中。

7.The designs of the pfd , digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed , based on the pll theory . in order to improve the precision of pll , some design methods of pfd are given , and its feasibility is validated by the fpga hardware implement

2 .在锁相理论指导下,第三章讨论了频率合成器设计中的鉴频鉴相器、数字滤波器、恒温压控振荡器和分频电路设计。为了进一步提高频率合成的精度,文中给出了提高鉴频鉴相器性能的一些设计思想,结合fpga的硬件设计验证了其可行性。

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