Is it right to equate mechanical invention with civilization itself?
把机械发明视为文明本身对吗？
Despite their drawbacks, sundials continued to be used for many years after the invention of mechanical clocks.
尽管日晷存在一定的缺点，但是在机械钟表出现之前，日晷一直是最常用的计时工具。
The result of the invention of the steam engine was that human power was replaced by mechanical power.
蒸汽机发明的结果是机械力代替了人力。
The result of the invention of the stream engine was that human power was replaced by mechanical power.
蒸汽机发明的结果是，机械力代替了人力。
The invention of laser takes the mechanical effect of light into real applications, and Optical tweezers is the representation application.
激光的发明使得光的力学效应走向了实际应用，光镊是光的力学效应的典型事例。
The invention relates to a method for weaving a galvanized iron cage, which comprises two kinds of mechanical production and manual weaving.
镀锌石笼编织方法包括机械生产和手工编织的两个种。
The next development in arithmetic was the invention of mechanical devices and machines to speed up the execution of arithmetic processes.
算术上的第二项进展是加速算术运算的机械装置和机器的发明。
The method and the device of the invention can accurately recognize the fault type of the mechanical equipment.
应用本发明所述的方法和装置，能够准确地识别出机械设备所处的故障类型。
The perfluorinated ion exchange resin provided by the invention can simultaneously satisfy the requirements of mechanical strength and ion exchange volume and has favourable thermostability.
本发明提供的全氟离子交换膜能够同时满足机械强度和离子交换容量的需求并且热稳定性好。
Rubber sealing products prepared by adopting the composite nano modified filler in the invention have excellent mechanical performance, corrosion resistance and yellowing resistance.
采用本发明复合纳米改性填料所制备的橡胶密 封制品具有优良的机械性能、耐腐蚀性能和耐黄变性能。
The compound nylon material provided by the invention is good in both mechanical properties and high temperature resistance.
本发明提供的复合尼龙材料的力学性能和耐高温性能均很好。
The present invention belongs to petroleum mechanical field, especially energy saving oil pumping machine.
本发明创造属于石油机械，尤其是节能抽油机。
Compared with the prior art, the invention replaces the existing manual operation and mechanical direct pressing dewatering by the principle of dewatering by negative pressure.
本发明与现有技术相比，由于采用负压脱水的原理，取代了现有的手工操作以及机械式的直接压制脱水。
The invention also discloses a hybrid switching method for extinguishing arc of the mechanical switch.
还公开了一种为机械开关灭弧的开关混合切换方法。
Added benefits of the invention are: Extended range of measurement and simplified mechanical adjustments, calibration and maintenance.
本发明的更多好处是：测量范围的延伸和机械调节、校准和维护的简化。
Compared with present curing agent, this invention has fast setting ability, excellent mechanical function and heat performance.
与目前的固化剂相比，本发明具有快速固化的能力、优异的机械性能和热性能。
The alloy for endodontic treatment suggested in the present invention has a small elastic modulus, excellent mechanical characteristics and high suitability to a human body.
本发明提出的治疗根管用合金具有小弹性模量、优良的机械特性和高的人体适应性。
The present invention relates to large mechanical product manufacture, and is especially preparation process of self-lubricating composite polymer material for mechanical product.
一种大型机械产品制造领域的机械产品用自润滑复合层高分子材料的制备方 法。
Another object of the present invention is to provide a press quench alloy with enhanced extrusion productivity and good mechanical properties and machinability.
本发明的另一个目的是提供具有提高的挤压生产率和良好的机械性能和机械加工性能的模压淬火合金。
The present invention relates to a unique process for production of titanium concentrate with low contents of radionuclide elements from anatase mechanical concentrates.
本发明涉及由锐钛矿机械精矿生产具有低放射性核素成份含量的钛精矿的独特方法。
The invention has low raw material cost, product with excellent mechanical strength and simple production process.
本发明原料成本低，产品具有优良的力学强度，并且生产工艺简单。
The invention refers to the crushing of food garbage, especially refers to the mechanical crushing method and device for home food garbage.
本发明涉及食物垃圾的粉碎处理，尤其涉及家庭食物垃圾的机械粉碎方法和装置。
The curable polyester of the present invention is excellent in curability and has excellent flexibility, adhesion and mechanical strength, and also exhibits high safety to the human.
本发明的可固化聚酯具有优异的固化能力、柔性、粘附性和机械强度，并且对人体高度安全。
The parquet produced in the invention achieves the advantages of high size stability, excellent mechanical properties and low manufacturing cost.
本发明制得的实木复合地板尺寸稳定性高、力学性能佳、制造成本低。
The invention provides a sealing structure for pipe joints, which belongs to the mechanical technical field.
本发明提供了一种管件接头的密封结构，属于机械技术领域。
The invention relates the carboy inverted station mechanism, belonging to transportation mechanical technology field.
本发明涉及一种钢瓶翻转站立机构，属于输送机械技术领域。
The invention comprises a non-rotating shaft for supporting a mechanical element of a roll segment in a continuous casting machine, having an essentially circular cross-section.
本发明包含用于支承连续浇铸机中的滚动段的机械元件的非旋转轴，其具有基本为圆形的横截面。
The invention can automatically adjust the cutter height without mechanical adjustment.
本发明不用机械调整，即可自动调整刀高。
The invention provides the passive RFID system which has high safety and no mechanical abrasion and can simultaneously identify a plurality of electronic tags.
本发明就是提供一种安全性高、无机械磨损、可同时识别多个电子标签的无源rfid系统。
The invention provides the passive RFID system which has high safety and no mechanical abrasion and can simultaneously identify a plurality of electronic tags.
本发明就是提供一种安全性高、无机械磨损、可同时识别多个电子标签的无源rfid系统。
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