查询词典 PFD

Summariness introduce know clearly on-chip low noise digitalPFD, programmablereferenceFrequency divider, multiplexer, programmable A and Bcounter, the dual-modulus prescaler, both 5 bit A and 13 bit Bcounters, etc.

简要介绍了芯片内低噪声的数字PFD、可编程的参考分频器、多路调制器、可编程A和B计数器、双模式充电泵、5位的A和13位的B计数器等部分。

Therefore,high performance PFD and CP is the necessity and guarantee for high performance frequency synthesizer.

所以，一个好的鉴相器和电荷泵是设计高性能频率合成器必要和保证。

In unadjusted analyses, women with diabetes and women who were obese had greater odds of haing each PFD.

在未经调整的分析中，患糖尿病的妇女和肥胖的妇女罹患盆底功能失调的几率更高。

Departmentof general surgery, daping hospital, third military medical university, chongqing 400042, china objective to determine the changes of anorectal manometry in patients with pelvicfloor dyssynergia.

方法对有便秘症状并经排粪造影诊断为pfd的21例患者用肛管直肠动力检测仪行肛管直肠压力测定，并测定会阴下降和直肠排空率。

The company deals with a wide range of silk items such as knitted or woven underwears and outwears, T-shirts, skirts and dresses, scarves, and various sorts of silk fabrics, both dyed and PFD.

公司本着&诚信、互利&的贸易理念，恪守&优质的产品、准时的交货、最具竞争力的价格&的贸易原则，愿与各国客商开展业务往来。

After metal exposure (at PFD 35 mmol m-2 s-1 and temperature 21±1 8℃), algal samples were withdrawn, separated from the medium by filtration on a Whatman GF/C filter, washed with deionised water and extracted for thiol peptide analysis.

在金属接触（在光强35浓度 m-2 s-1和温度21 ±1 8℃），藻类样品被撤回，脱离介质过滤的瓦特曼石墨/碳过滤器，洗涤水和提取deionised为硫醇多肽分析。

Those using video are encouraged to use one of the Global Positioning System video time inserters, such as the Kiwi OSD by PFD systems ( http://www.pfdsystems.com ) in order to link specific Baily's bead events with lunar features.

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The best PFD is one that can be adjusted to fit securely whether you are wearing a wet suit or normal clothing.

最好的光强是一个可以进行调整，以符合安全，无论您是穿着湿衣服或正常的衣服。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。