查询词典 D.A.

The system breakdown voltage measurement and signal output two most voltage measurement part in the main circuit simulation, tie amplifier module, A / D conversion module, module; Sunplus microprocessor through data processing, in the range of allowable error voltage measurements show, and broadcast voice.

本系统分电压测量和信号产生输出两大部分，电压测量部分以模拟电路为主，配合放大模块、A/D转化模块、显示模块；通过凌阳单片机进行数据处理，在误差允许范围内显示测量电压值，并播报语音。

And in Congress, Richard D'Amato, a Democrat and the chairman of the US-China Economic and Security Review Commission, worries aloud that Chinese firms listing shares in America are siphoning American money into a "China bubble".

在国会，美中经济与安全评估委员会主席，民主党人Richard D'Amato大声疾呼，中国在美上市企业正在将美国的钱吸入"中国的泡沫"。

"As time has gone by, Vitamin D has raised its head as a sort of ambrosia for cancers," says Dr. Louise Parker, an epidemiologist and a world expert in the environmental exposures that can lead to cancer.

"由于时间已过去了，维生素D提出了其头部作为一种豚草为癌症，博士说："路易斯帕克，一名流行病学家和世界的专家，在环境暴露可导致癌症。

We have the advantage of products; A stainless steel plate planes, electroplating americium, both inside and outside decorative pieces series; B; PVC fenders, rain-mei, foot pad series; C environmental noise floor molding plastic, electric glass-lifting; D brand paste Ex Taiyang Mo licensing, local drive, audio series, our philosophy is' your success, I grow up '.

我们的优势产品有；A不锈钢车牌架，电镀镅，内外装饰件系列；B；PVC挡泥板，雨眉，脚踏垫系列；C隔音环保成型地板胶，电动玻璃升降器；D品牌贴牌防爆太阳膜，国产碟机，音响系列；我们的理念是'你的成功，我的成长'。

The instruments used ATmega16L onboard A / D converter channels to achieve the cold wind pressure, the hot blast pressure, the furnace top pressure and cold wind current capacity four way analog acquisition;used PWM waveform produced by ATmega16L internal timing / Counter to achieve the entire differential pressure ,the cold wind flow and the permeability index three-way analog output for recording instruments; realized the cold wind pressure, the hot blast pressure, the furnace top pressure, the cold wind current capacity and the entire differential pressure five group parameter tour demonstration and the fixed-point demonstration by key-elect key's coordination during demonstration blast furnace permeable index; produced acousto-optics alarm when the permeable index across the upper and lower limits;used RS-485 realizing the communication with the superior computer.

仪表利用ATmega16L自带的A/D转换通道实现对冷风压力、热风压力、炉顶压力及冷风流量四路模拟信号的采集；通过ATmega16L内部的定时/计数器产生的PWM波形来实现对全压差、冷风流量及透气性指数三路模拟量输出供记录仪表使用；通过键选键的配合在显示高炉透气性指数的同时实现冷风压力、热风压力、炉顶压力、冷风流量及全压差五路参数的巡回显示与定点显示；当高炉透气性指数越上、下限时，仪表产生声光报警信号；仪表采用RS-485与上位机实现通信。

It must have been a great time then for the craft! Almost all of America's best guitar making talent were working within a few blocks of each other: Gene Clark, Velázquez, Rubio, D'Angelico, Gurian.

那时一定是作琴艺术的伟大时代，几乎所有美国最优秀的吉他制作天才都集中在那几条街上作琴，像：金·克拉克，维拉兹盖兹，卢比欧，达安洁利可( D'Angelico)，古瑞安。

In this thesis, a convenient and efficient synthesis of highly functionalizeddihydropyrido[2,3-d]pyrimidines via a double [5 + 1] annulation strategy startingfrom easily available α-alkenoyl-α-carbamoyl ketene--acetals 1 and cheapreagents (NH4OAc, DMF, and POCl3) has been developed.

本论文探索了一种简便有效的合成高度官能化的二氢吡啶并[2，3-d]嘧啶的方法，此方法由易得的α-乙酰基-α-氨基乙酰基二硫缩烯酮1和便宜的试剂(醋酸铵，二甲基甲酰胺和三氯氧磷)通过两步[5 + 1]加成而实现。

Apolipoprotein D is a member of the lipocalin family. ApoD can bind small hydrophobic molecules such as cholesterol and arachidonic acid, etc. It also plays a role in many physiological and pathological processes such as development and differertiation of embryo, apoptosis of cancer cells, immune defense, and so on.

载脂蛋白D属于脂蛋白家族，和该家族的其它成员一样，其基本功能是转运一些脂类的小分子物质，还参与胚胎的发育、分化；肿瘤细胞的发生、发展和凋亡；免疫性反应；抵抗外界环境胁迫以及神经系统的发生和损伤修复。

In this strategy, IPM was used to generate 3-phase power for the AC motor; the WFG unit of 80C196MC was used to generate the control signal of SPWM, A/D convertor unit to complete the sampling of current, and Event Processor Array to complete the detection of speed.

该方案利用受控于单片机的智能功率模块产生电机的三相电压；利用80C196MC单片机中的WFG产生SPWM信号，芯片内的A/D转换器实现电流采样，事件处理器阵列实现了转速检测。

Based on surveying the development of variable frequency power supply and analyzing its development tendency, and considering the practical features of the assignment, the conversion system is designed as follows: it selects the 3-phase Pulse Width Modulation Engine SA4828 as the PWM control signals generator; it chooses the single-chip-computer PIC16F877 as the microcontroller, which integrated the A/D modulation, which cuts down the complexity of the hardware system and strengthens the dependability of the system.

在论述和分析了变频电源及其控制技术发展的概况和趋势的基础上，结合本课题任务的实际要求，设计了一套中小功率的逆变电源。系统中PWM控制信号采用专用集成芯片SA4828生成，减轻了控制器的工作量也提高了系统的可靠性。控制器选用集成了A/D转换器的单片机，使得系统的硬件复杂性降低，提高了可靠性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。