In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.
在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。
By letting gravity lower your hand, you are referencing your strength or sensitivity to a constant force.
让手自然放下，就是把你的力气或灵敏度交给永恒不变的地心引力。
Constant force spring hanger is a device which puts invariable tension on the thing it hangs in limited displacement.
恒力弹簧支吊架是一种在限定位移内对被支吊物施以恒定张力的装置。
Combined with the study of constant force grinding, a self-study method on fuzzy control rules in grinding process is suggested.
结合恒力磨削的研究，提出了一种基于磨削数据的模糊控制规则学习方法。
A constant force hybrid adaptive control system is designed for four rollers cold rolling mill to ensure that strap steel force is constant.
为了保证冷轧机轧制中带钢恒张这一特点，设计了四辊可逆冷轧机恒张力混合自适应控制系统。
An adjustable force applicator supplies contact pressure to the contactor to apply a substantially constant force over a large working travel range.
可调节力施加器向所述接触器供应接触压力以在大的工作行进范围内施加大致恒定的力。
A new DC electromagnets with rectangular section area, which is designed to have a constant force-displacement characteristic, is proposed in this paper.
在磁路分析的基础上，导出了产生恒力特性的条件，并且还讨论了电磁铁尺寸对力特性的影响。
In the study of constant force grinding, a classification method for precision grinding states is presented based on analysis of grinding data in this paper.
结合恒力磨削的研究，提出了一种基于磨削数据分析的精密磨削状态识别方法。
Check the wear of the electric brush and see whether the constant force spring has distorted or not. Over-worn electric brush and distorted force spring should be replaced.
检查电刷磨损情况，及恒力弹簧是否变形，电刷磨损过多或恒力弹簧已变形予以更换。
Flat springs are used in a variety of applications, as above in the traditional "oven button" type of application as well as in the constant force mechanism of a pull-start lawn mower.
板簧适用范围广泛，可应用于传统的烤箱按钮等基本应用，也适用于拉启式割草机的恒力系统。
Under the synchronous action of the elastically extruding mechanisms, the floating board is pushed upwards at constant force to ensure homogeneous infusion pressure and fluid exhaustion.
浮动板在多个弹力挤压机构的同步作用下水平向上恒力推移，它既能确保输液压力均匀，而且能将输液袋中的液 体彻底压出排净。
In study of constant force grinding, a calculation method, which could calculate frequency range of frequency feature parameter automatically, is presented based on generic algorithm in this paper.
本文结合恒力磨削的研究，基于遗传算法提出了一种可自动地确定测试信号频域特征参数频率计算范围的方法。
A new micro constant force displacement sensor with micro and constant measurement force is introduced. It can realize the measurement of bullet marks without damage on the surface of sample bullets.
该系统采用了一种新型的微恒力位移传感器，该传感器具有测量力小且恒定的特点，因此，可以实现对弹头表面痕迹的无损测量。
That is a little bit of work that I'm doing, right? I have a force which is constant during a short, small displacement.
那是我做的一点功，对吗，我有一个恒力，是在短小的位移。
The hardest thing is the constant battle with this invisible, but powerful force that seems to work against me.
最困难的事情是不断的克服无形的和强大的阻力。
When he plugged that wind-force equation into his model and assumed that the probability of a branch breaking due to wind stress is constant, he came up with Leonardo's rule.
他将风力公式应用到他的模型中，并假定树枝受到风力作用而断裂的概率是恒定不变的，据此他推导出了达·芬奇公式。
A fundamental law of physics holds that momentum is always conserved, meaning that unless some outside force enters a system, its total momentum must stay constant.
物理学一条基本定律认为动量守恒，也就是说，除非外力进入系统，否则总动量一定保持不变。
This is a constant theme in the movies, you know, no explanation, no accounting for such things, but it's such a force that he has to live in it.
这是电影中一贯出现的主题，没有解释，没有说明，但它是这样一股力量，他不得不如此。
Excellent repeatability thanks to its dyn AMIc probing system with constant measuring force.
由动态探测系统和恒定的测量力决定了极好的重复性。
Fundamental constants such as the strength of the electromagnetic force - the so-called fine-structure constant, or alpha - get their name from the fact that they are supposedly the same everywhere.
宇宙基本常数，比如电磁力强度之类的精细结构常数，符号位“alpha ”，它们因为被假定为不变量而得名。
In this paper, a kind of sensor with constant power pulse width modulation and force balance is described and analysed theoretically.
本文设计了一种恒功率脉冲调宽式力平衡式传感器，并从理论上对它作了分析。
Based on the theory of moving force identification and the characteristic of moving constant axle loads, a new fast and simplified algorithm is proposed for the moving force identification.
基于移动荷载识别理论并根据移动常力轴载特点，提出了一种用于准确识别移动常力轴载的快速算法。
The transition state structures were further confirmed by calculating the analytical force constant matrix.
对过渡态结构都用分析力常数矩阵计算进行了确证。
Through quantitative force analysis and calculation of tensile control structure, new constant tensile control structure and locking pneumatic finial of spool are designed.
通过对张力控制结构作定量的受力分析与计算，设计新型恒张力控制结构和工字轮锁紧气动顶尖。
It is shown that as feed force is a constant, the damage thickness decreases slightly with the increase of wire speed.
同时分析得出，在恒压力进给条件下，随着线锯速度的增加，损伤层厚度略有减小。
A fuzzy self-adaptable control system is established. By setting the constant cutting force as the control objective, a fuzzy controller for the turning process is designed.
建立车削加工过程的模糊自适应控制系统，以恒切削力为控制指标，设计了车削加工过程模糊控制器。
This paper introduces a computer control for hydraulic vibrating table, with adopting constant power and constant exciting force control.
本文介绍了液压振动台的计算机控制，其控制形式为恒功率和恒激振力控制。
This paper introduces a computer control for hydraulic vibrating table, with adopting constant power and constant exciting force control.
本文介绍了液压振动台的计算机控制，其控制形式为恒功率和恒激振力控制。
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