在过去的一个世纪中，白炽灯泡一直为人造灯源的基本产品；但现在，耗能惊人的白炽灯泡注定将被由半导体驱动的发光二极管(LED)所替代。
After a century as a primary source of artificial light these energy-guzzling bulbs are set to be replaced by light-emitting diodes (LEDs), powered by semiconductors.
机械晶体管，更确切地可以称之为纳米电子机械系统（NEMS）晶体管，它可以在源极和漏极之间机械地构建或消除连接。
The mechanical transistor, more properly called a nano-electromechanical systems (NEMS) transistor, creates and destroys the connection between source and drain mechanically.
根据电压源的极性，互相并联的两个二极管(D)中的一个用来减小噪声，而另一个二极管则提供放电通路。
Depending on the polarity of the voltage source, one of the two diodes (d) in parallel is used to reduce noise while the other provides a discharge path.
源-测量单元还可以测量其它的二极管参数，包括正向电压降和击穿电压。
The Source-Measure Unit can also test other diode parameters, including forward voltage drop and breakdown voltage.
在半导体中的源极区和漏极区可以限定晶体管栅极长度。
Source and drain regions in the semiconductor may define a transistor gate length.
理想PV电池的模型可以表示为一个感光电流源并联一个二极管。
An ideal PV cell can be modeled as a light-induced current source in parallel with a diode.
引气活门，气源系统内，使来自发动机或辅助动力装置的空气进人气源支管的活门。
BLEED valve, a valve in the pneumatic system for air supply from the engine or auxiliary power unit to the pneumatic manifold.
电流源在模拟晶体管特性时极其有用。
Current sources are most useful in modeling the behavior of transistors.
拥有更低峰值电流和场效应晶体管漏源极开通电压的800伏特准谐振设计展示出一次侧传导电磁干扰降低的优势。
The 800v quasi resonant design with lower current peak and lower drain-source voltage during turning on of the MOSFET demonstrates advantages in conducted EMI spectra regarding the primary side.
最终确定方案为：所有房间采用风机盘管加新风系统，本建筑物采用螺杆式冷水机组作为冷源。
To finalize the program as follows: all rooms used fan-coil plus fresh air system, this building used as a screw-type chiller cold source.
轻型高压直流输电是在电压源换流器和绝缘栅双极晶体管基础上开发出来的一种新型输电技术。
The light HVDC transmission is a new power transmission technology based on the voltage source converters(VSCs) and IGBT power semiconductors.
用于杜瓦瓶的典型的转移管连接到卡口上，利用产品积累的蒸气压或外部的压力源来取出液体。
A typical transfer line for dewars is connected to a bayonet that provides a means of using product vapor pressure build-up or an external pressure source to remove the liquid.
增益管中气体的流动是激光陀螺中的一项主要误差源。
The gas flow in the gain tube is one of the main error sources in ring laser gyros.
在该系统中，每个二极管通过两个双刀开关切换至2400型源表。
In this system, each diode is switched to the Model 2400 SourceMeter Instrument through two two-pole switches.
机械晶体管，更确切地可以称之为纳米电子机械系统晶体管，它可以在源极和漏极之间机械地构建或消除连接。
The mechanical transistor, more properly called a nano-electromechanical systems transistor, creates and destroys the connection between source and drain mechanically.
漏源极电压（图28）在反射过程结束后并减小到100伏特时场效应晶体管导通。
The drain-source voltage (Fig. 28) starts oscillating at the end of the flyback phase and reaching the minimum of 100V when the MOSFET turns on.
根据电压源的极性，互相并联的两个二极管中的一个用来减小噪声，而另一个二极管则提供放电通路。
Depending on the polarity of the voltage source, one of the two diodes in parallel is used to reduce noise while the other provides a discharge path.
在很多测试应用中，二极管的电压和发出的光可以利用大小固定的电流源同时测出来。
In many test applications, the voltage and light output of the diode can be measured simultaneously using a fixed source current value.
目的寻找静脉输液合适的封管压力源，减轻患者痛苦，节约医疗资源。
Objective To find suitable pressure of tube blocking, alleviate the patients' discomfort and save medical resources.
冷中子孔道方管采用铝合金材料焊接而成，其作用是从冷中子源引出中子。
Square tube in cold neutron channel is welded together by aluminum alloy plate, it is used to guide neutron from cold neutron source.
为了适应高速度的要求，所有电路全都采用源极耦合场效应管逻辑来实现。
In order to meet with the requirements of high-speed, the source coupled FET logic (SCFL) is applied in all of the circuits.
评论和讨论了高功率固体激光器、光纤激光器、超高效率二极管源和中继镜技术的重大进展。
The significant progress of high power solid-state laser, fiber laser, super high efficiency diode source and relay mirror system are reviewed and discussed.
若要将源表连接到二极管1，需要闭合通道1和21。
To connect the SourceMeter Instrument to diode 1, close Chs. 1 and 21.
这时串联的电阻器可以小得多，因为其作用只是防止电压源过载以及电容器短路时损坏二极管。
The series resistor can be much smaller since it is only needed to prevent overload of the voltage source and damage to the diode if the capacitor becomes short-circuited.
目的：探讨腹腔镜置管冲洗治疗急性胆源性胰腺炎的可行性和应用价值。
Objective:To explore the feasibility and value of placing drainage-tube by laparoscopy to treat acute gallstone pancreatitis.
研究了有机薄膜场效应晶体管的源漏接触电阻和沟道电阻对器件性能的影响，结果表明接触电阻是影响器件性能的主要因素。
The channel resistance and the source-drain contact resistance of OTFT were investigated, and the results indicated that the latter is the main factor to affect the electric performances of OTFTs.
研究了有机薄膜场效应晶体管的源漏接触电阻和沟道电阻对器件性能的影响，结果表明接触电阻是影响器件性能的主要因素。
The channel resistance and the source-drain contact resistance of OTFT were investigated, and the results indicated that the latter is the main factor to affect the electric performances of OTFTs.
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