Amenities of the early DC-3 models included sleeping berths and an onboard kitchen.
飞机上提供的便利设施包括卧铺、机上厨房。
Yesterday we went for a flight around the area in an old R4D. The R4D was the Navy version of the Douglas DC-3.
昨天，我们乘坐一架老式的R4D飞机在周围兜了一圈，这架R4D是道格拉斯dc - 3的海军版。
For the last 24 years the disused DC-3 plane has been parked beside the McDonald's restaurant in Taupo, New Zealand.
过去24年，这架废弃的DC - 3飞机一直停在新西兰陶波的一家麦当劳旁边。
The plane, a Douglas DC-3 aircraft, was built in 1943 and was one of three used by New Zealand's South Pacific Airlines from 1961 to 1966.
这架道格拉斯DC-3飞行器于1943年建造，是1961~1963年新西兰南太平洋航线最早投入使用的三架飞机之一；
The incidence of HIV/AIDS in Washington, DC, is so high (around 3%) that it has inspired an AIDS organisation to put up posters calling AIDS “DC’s Katrina”.
在艾滋病在华盛顿特区的发病率高达3%左右，这也激发了预防艾滋病组织张贴海报，把艾滋病称为是“特区里的卡特里娜飓风”。
For Brushless DC (BLDC) servo control, optional 3 phase commutation tracks replace the traditional Hall Effect sensors.
无刷直流(BLDC)伺服控制，可选的3相换轨取代传统的霍尔效应传感器。
The initiation voltage of short circuit treeing after the positive and the negative dc pre-stress increase by 26 8% and 36 3% respectively.
在正负极性直流预压短路树枝试验中，分别提高试样短路树枝起始电压26 8%和36 3%。
The circuit for realizing the method includes a measured value collector (1), a DC chopper (3) and a microcontroller (2).
用于实现该方法的电路包括测量值采集器(1)、直流斩波器(3)和微控制器(2)。
I just came back from 3 days of meetings in Washington, DC of the National Organic Coalition.
我刚刚参加完全国有机协会在华盛顿举办的三天会议。
Circulating DC were isolated from peripheral blood of 23 patients with CHB before and 1, 3, and 12 months after starting lamivudine therapy.
研究人员在拉米夫定治疗前及治疗后1、3、12个月，从23例CHB患者的外周血中分离出循环dc细胞。
Numerical simulations indicate that period 3 and chaotic states coexist when this system is driven by a proper external dc current.
数值模拟发现，选择合适的偏置电流，系统表现出周期三与混沌共存的动力学现象。
Railway applications - Fixed installations - DC switchgear - Part 3: Indoor d. c. disconnectors, switch-disconnectors and earthing switches.
铁路应用- - -固定安装- - - DC开关设备- - -第3部分：室内d .c分连接器，开关-分连接器和接地开关。
This paper presents a new control strategy to eliminate second harmonic of dc output current in the 3-phase unbalanced network voltage PWM current-source converters (CSC).
提出一种电网电压不对称情况下抑制三相脉宽调制(PWM)电流型变流器(CSC)直流输出电流二次谐波、减少网侧电流低次谐波的控制方法。
The calculating result shows that the welding current of 3-phase DC resistance weld is continuous, and the changing of induction reactance has little influence on it.
计算结果表明：三相次级整流电阻焊焊接电流基本上是连续的，负载感抗变化对其影响很小。
The PWM control strategy with 3-th harmonic in addition is presented for four-leg three-phase inverter, the inverter can deal with unbalanced load and has a high utilization of dc bus voltage.
本文将三次谐波注入的PWM控制方案应用到四桥臂三相逆变器中，可以带非对称负载且具有较高的电压利用率。
Electric power is output to the oil tube, which is connected with the bushing by the oil bushing connecter on the bottom of the oil tube, via a 3-phase transformer after AC-DC-AC inverse circuit.
电能由三相配电变压器经AC DC AC逆变电路输出传送到油管，经油管下部的油套管接触器连接到套管，形成一个完整的回路。
The approach utilizes 2-level derivation of secondary current and a 3-sample fitting calculation for decaying DC component depress as well as the sample data identifying.
该方法采用微分电路和三采样值运算法，以电流的二阶导数深度抑制非周期分量并提高对采样值的甄别。
The industrial manipulator of 3-dof has been designed based on DC torque motor, discourses mechanical structure and hardware-software design of control system.
设计了一种基于直流力矩电动机的三自由度工业机械手，论述了该机械手的机械结构及其控制系统的硬件、软件设计。
AC conductivity obtained from admittance analysis is almost 3-orders higher than that of DC analysis, it ought to be mainly ascribed to the effect of dielectric.
在此温区的交流导纳分析给出的交流电导率比直流电导率大三个数量级，说明此时的交流电导率主要是复介电常数的贡献。
Simply introduce the structure and theory of TI, s 2000 series DSP. Design the method of PWM waves in 3-phase Brushless DC Motor.
使用TI公司的2000系列DSP芯片，并简单介绍了芯片的结构和原理，设计了应用于三相无刷直流电机的PW M波形产生方法。
Simply introduce the structure and theory of TI, s 2000 series DSP. Design the method of PWM waves in 3-phase Brushless DC Motor.
使用TI公司的2000系列DSP芯片，并简单介绍了芯片的结构和原理，设计了应用于三相无刷直流电机的PW M波形产生方法。
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