这就为研究激光的工作人员出了一个难题：如果能量输出有两种形式，他们怎样运用电荷守恒和能量守恒定律呢？
This posed a conundrum for researchers working with the laser: How were they to apply the laws of conservation of charge and conservation of energy with two forms of energy output?
平行式要求伺服系统具有良好的速度稳定性，保证恒定的速度输出。
And that parallel mode requires the servo system to have good speed stability to ensure invariable output of speed.
调节器的作用就是保证发电机在输出电能的电压能够保持恒定，保护设备安全运行。
The role of the regulator is to ensure that the generator output voltage to maintain a constant energy, protect the safe operation of equipment.
而经解码后显示的侦速率是恒定的，这就要求在解码端有一个缓冲器来实现输入码率与输出码率间的过渡。
The input bit rate and the output frame rate of video decoder is fix, so a Rate Buffer is needed to balance this rate difference.
采用恒压变量柱塞泵，输出压力保持恒定，输出流量根据系统需要而变化。
Using constant pressure variables plunger pump, output pressure can keep constant and flow varies as per system's demand.
因此经常要调整控制钮，以维持恒定的输出压力。
Thus, frequent adjustment of the control knob is required to maintain constant delivery pressure.
三相电压型PWM整流器具有输出电压恒定、能实现单位功率因数运行的特点，甚至可以实现电能回馈电网。
The three-phase PWM voltage source rectifier presented in this paper owns such features as constant output voltage, running under unit power factor and feedback of the power into the power networks.
同时，发动机转速的恒定也使液压泵输出排量稳定，进而保证了行走速度和振动频率的稳定，提高了压实质量。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
控制系统的功能是在负载随时变化的工况下，确保机组转速恒定，并使电压输出控制在要求范围之内。
The control system functions to keep speed of the machines substantially constant and the voltage within prescribed limits, even the load may change.
维持滑差频率不变，就可获得近似于恒定转矩的输出特性。
Keeping slip frequency constant we can get nearly constant torque output characteristic.
为保证熔融碳酸盐燃料电池(MCFC)电堆可靠、高效和安全地运行，要求保持输出电压的恒定。
The output voltage of molten carbonate fuel cell (MCFC) stack should be constant in order to ensure the system being operated reliably, effectively and safely.
本文给出了基于恒定束宽波束输出的宽带相干源高分辨测向方法。
A high resolution DOA estimation method for coherent wide band sources based on outputs of constant beamwidth beams is proposed in this paper.
定常力输出机构就是在一定的输入范围内输出一恒定力的机构。
Constant-force-output mechanisms produce a constant output force for a range of input displacements.
通过使用光耦衰减器的串联和分流相结合可以配置成恒定的输入和输出阻抗，而与控制电压无关。
By using a series and shunt combination of optocouplers the attenuator can be configured to produces a constant input and output impedance, regardless of where the voltage control setting is.
电流环软启动通过输出电流指令递增实现，电压环软启动则比较了直流侧电压指令逐步升高法、恒定电流充电法、变PI参数调节法三种策略。
Three soft start-up technique for voltage loop are compared with each other, which are the reference of DC bus voltage gradually increasing, constant charging current and different PI modulation.
优点是调流范围宽，输出电压恒定，起火容易，节能。
The utility model has the advantages of wide current-adjusting range, constant output voltage, easy firing and conservation of energy.
泵控容积调速系统中负载发生变化时，要保证马达输出转速恒定。
When the load of pump control cubage timing system changes, the motor output speed must be kept steady.
根据温度的高低，一个自动化的系统则可以调整微波的功率输出，以便达到相对恒定的固化温度。
An automated system can then adjust the power output of the microwave so that a fairly constant curing temperature can be maintained.
在749399采用恒定关断时间控制计划，提供了一个广泛的输出电流的高效率。
The 749399 USES a constant off-time control scheme to provide high efficiencies over a wide range of output current.
仪器采用恒流源电路，保证输出电流的恒定。
Constant-source current can guarantee constant output current.
还有门禁配件所需的12伏和24伏恒定功率输出。
It also has simultaneous 12-VDC and 24-VDC constant power outputs for access control accessories.
加臭泵是专门设计的隔膜式柱塞计量泵，柱塞的运动行程机械锁定，每次输出量保持恒定。
Odorization pumps are specially designed diaphragm plunger metering pump, plunger travel of the exercise machine lock, each time to maintain a constant output.
为了在变化的输入光电平上保持输出信号电平恒定，用于检测光接收机的输出功率电平的设备和方法。
An apparatus and method for detecting an output power level of an optical receiver, in order to hold output signal levels constant over changing input optical levels.
通过电压闭环调节，实现了输出恒定110V直流电压的功能。
By adjusting under voltage regulation loop, it achieves the function of providing stable 110v DC output.
为了保持工作中的稳定平均输出功率和恒定消光比，采用了温度补偿电路和自动功率控制电路。
To maintain the constant average optical power and extiction ratio, the temperature compensation loop and automatic power control loop are incorporated in this chip.
因此，它不仅解决了负载阻抗变化时输出电流的恒定问题，还解决了输出阻抗与负载阻抗的匹配问题。
Thus it not only solved the problem of constant output current while load impedance is varied, but also solved the matching problem of output impedance and load impedance.
也是由于几乎每节课后，输出的心理愉悦感是负向的恒定，即沉重感、压力感、枯燥感、厌烦感。
Because after each lesson they always produce a sense of negative pleasure, that is, the sense of heaviness, pressure, dullness and resentment.
也是由于几乎每节课后，输出的心理愉悦感是负向的恒定，即沉重感、压力感、枯燥感、厌烦感。
Because after each lesson they always produce a sense of negative pleasure, that is, the sense of heaviness, pressure, dullness and resentment.
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