专业英语英译汉全部句子

plex machines are made up of moving parts such as inclined planes,levers,gears,cams,cranks, Springs,belts,and wheels.
复杂的机器是由运动部件组成，如倾斜面，杠杆，齿轮，凸轮，曲柄，弹簧，皮带和轮子。

2.An inclined plane decreases the force required to raise an object a given height by increasing the distance over which a force must be applied.
倾斜面通过增加在其上的力必须施加的距离，来减少提高物体的给定高度时所需的力。

3.Both the inclined plane and levers could lower the force required for a task at the price of having to apply that force over a longer distance.
倾斜面和杠杠都可以应用更长距离上的力来降低完成一个任务所需的力。

4.Pulleys can be used to simply change the direction of an applied force or to provide a force/distance tradeoff in addition to a directional change.
滑轮可被用于简单地改变作用力的方向，或除了改变方向外还提供一个力和距离的权衡。

5.There are a number of different standard gear types. Examples include spur gears, change gears, cluster gears, helical gears, herringbone gears, straight bevel or spiral bevel gears, worm gears, and so on and so forth.
有许多不同的标准齿轮的类型。

实例包括正齿轮，变速齿轮，簇齿轮组，斜齿轮，人字齿轮，直齿锥或螺旋锥齿轮，蜗轮，依此类推等等。

6.A cam mechanism usually consists of two moving elements, the cam and the follower. 一凸轮机构，通常包括两个运动元件，该凸轮和从动件。

7.We can classify cam mechanisms by the modes of input/output motion, the configuration and arrangement of the follower, and the shape of the cam.
我们可以通过输入/输出运动，配置和从动的布置，和凸轮的形状的模式分类凸轮机构。

8.In a cam mechanism, when the cam turns through one motion cycle, the follower executes a series of events consisting of rises, dwells and returns.
在一个凸轮机构中，当凸轮转过一个运动周期时，从动件执行一系列由上升、停留和返回的动作。

9.Electrons and protons are said to have opposite electric charges.
电子和质子具有相反的电荷。

10.Voltage can be generated by means other than rubbing certain types of materials against each other. Chemical reactions, radiant energy, and the influence of magnetism on conductors are a few ways in which voltage may be produced.
电压除了能通过一些类型不同的材料相互摩擦产生之外，化学反应，辐射能，磁场对导体的影响也是产生电压的方法。

11.Kirchhoffs Current Law states that the sum of the currents entering a node must be zero.
基尔霍夫电流定律陈述了流过一个节点的电流总和必须为零。

12.Kirchhoff's Voltage Law states that the sum of the potential drops around a loop in a circuit must be zero.
基尔霍夫电压定律陈述了在电路中的回路的点位下降总和必须为零。

13.If a sinusoidally varying voltage source, one that oscillates positively and negatively in time with the shape of a sine wave, is connected across the capacitor, it can be shown that the voltage across the capacitor "lags" the current by in phase, meaning that the voltage peaks occur 1/4 of an oscillation period later in time relative to the current peaks. 如果一个以正弦波形式随时间正负变化的电压源加在电容上，将会使电容电压在相位上滞后于电流，即该电压的峰值会比电流的峰值晚出现四分之一个周期的时间。

14.The first integrated circuits were created in the late 1950s in response to a demand from the military for miniaturized electronics to be used in missile control systems.
第一个集成电路是在50年代末创建的，以响应微型电子在军事导弹控制系统中使用的需求。

15.One method of adding dopants to create a layer of P or N regions is atomic diffusion. The second method to add dopants is ion implantation.
添加掺杂剂来创建层P或N区的一个方法是原子的扩散。

添加掺杂剂的第二个方法是离子注入。

16.The process of masking and etching or doping is repeated for each successive layer depending on the doping process used until all of the integrated circuit chips are complete.
根据晶片掺杂工艺的不同，对每一连续的层重复进行掩膜和蚀刻或掺杂，直到整个集成电路芯片被完成。

17.A programmable logic controller consists of the following components: central processing unit (CPU), memory, input modules, output modules and power supply.
可编程序逻辑控制器由以下部分组成：中央处理单元（CPU），存储器，输入模块，输出模块和电源。

18.When a PLC is executing a ladder logic program, it examines the input modules first. It stores the status (HIGH or LOW) of the input devices, which are connected to the input modules, to memory bits assigned to the inputs. Then, the PLC scans the ladder logic program rung-by-rung from the top of the program to the bottom.
当PLC正在执行一个梯形逻辑程序时，它首先检查输入模块。

它存储连接了输入模块的输入设备的状态（高或低），并分配到输入存储位中。

然后，PLC从程序的顶部至底部逐级扫描梯形逻辑程序。

19.An ON-delay timer is enabled when its rung is true. An OFF-delay timer is enabled when its rung is false.
通电延迟定时器响应时，其梯级为真。

一个断电延时定时器响应时，其梯级为假。

20.A robot is an etectro-mechanical/bio-mechanical device(s) that can perform autonomous or preprogrammed tasks.
机器人是一种能够执行自主的或预编程任务的机电或生物机械装置。

21.A robot may act under the direct control of a human or autonomously under the control of a programmed computer.
机器人能在人的直接控制下或者在可编程计算机的自动控制下工作。

22.The word "robot"is used in a general sense to mean any machine which mimics the actions of a human (biomimicry), in the physical sense or in the mental sense.
“机器人”这个词被用在一般意义上是指任何在身体或精神上模仿人类的行为(仿生)的机器
23.The word robot is also used to refer to a wide range of machines, the common feature of which is that they are all capable of movement and can be used to perform physical task.
机器人这个词也指大范围的机器,其共同的特点是,他们都能运动,可以用来执行物理任务。

24.Since a digital computer has finite precision, extra care is needed to ensure the errors in coefficients, A/D conversion, D/A conversion, etc. are not producing undesired or unplanned effects.
因为数字计算机精度有限,需额外注意协同因素,A/ D转换、D / A转换等不会产生不想要的或意外的效果。

25.Water hydraulic systems employ all the basic types of components seen in conventional systems -pumps, motors, cylinders, valves, filters and reservoirs.
水液压系统使用的所有基本类型的组件：泵、电机、气缸、阀门、过滤器和蓄水池在常规的系统中也能看得到。

26.Because of the greater pressure wave propagation found in water, special care must be given when designing water hydraulic systems in order to prevent water hammer.
由于在水中存在巨大的压力波,所以在设计水液压系统时必须特别小心,以防止水锤。

27.The most serious effect vapor pressure has in hydraulic systems is cavitation, which is the formation and collapse of bubbles in the hydraulic medium.
对液压系统蒸汽压有最严重影响的是汽化,这是在液压介质中泡沫形成和崩溃的原因。

28.If there were no friction in the system, the oscillation would continue at the same rate and same amplitude forever.
如果没有摩擦的系统，振荡将永远以相同的速率和相同的幅度保持着。

29.In many cases, the signal of interest is initially in the form of an analog electrical voltage or current, produced for example by a microphone or some other type of transducer.
在很多情况下,感知信号的最初形式是模拟电压或电流,例如可通过麦克风或其他类型的传感器产生。

30.Signals commonly need to be processed in a variety of ways. For example, the output signal from a transducer may well be contaminated with unwanted electrical "noise".
信号通常需要以多种方式处理。

例如,传感器的输出信号可能含有多余的电子“噪音”。

31.A DSP is a programmable device, with its own native instruction code.
数字信号处理器是一种可编程设备,有自己的本地指令代码。

32.DSPs can also be embedded within complex "'system-on-chip" devices, often containing both analog and digital circuitry.
数字信号处理器也可以嵌入在复杂的“s片上系统”设备,通常包含两个模拟和数字电路。

33.Although some of the mathematical theory underlying DSP techniques, such as Fourier and Hilbert Transforms, digital filter design and signal compression, can be fairly complex, the numerical operations required actually to implement these techniques are very simple, consisting mainly of operations that could be done on a cheap four-function calculator.
尽管一些数学理论基础的DSP技术,如傅里叶和希尔伯特变换、数字滤波器设计和信号压缩,可以相当复杂,在数值的实际操作上需要实现这些技术非常简单,主要包括的操作可以在一个廉价的四功能计算器进行。