机械计时器的进展促使大部分人寻求更精确的日晷,以便校准机械计时器。
The development of mechanical timepieces spurred the search for abundance accurate sundials with which to regulate them.
这标志着他们的第一运动在复杂制表工艺是应遵循的一系列的机械计时和显示的新概念。
It marks their first exercise in complex watchmaking that are to be followed by a series of new concepts in mechanical timekeeping and display.
例如,LongNow基金会有一个作为旗舰项目的机械钟,它的设计目的是几千年后仍在计时。
For example, the Long Now Foundation has as its flagship project a mechanical clock that is designed to still be marking time thousands of years hence.
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。
Despite their drawbacks, sundials continued to be used for many years after the invention of mechanical clocks.
用废弃的输液器制作了简易的“打点计时器”,可以在课堂上分析、判断直线运动以及研究机械振动。
A simple ticker-timer, which can be used to study the straight line motion and the mechanical vibration, is made using transfusion set.
研究结果为在实际旋转机械转子-椭圆轴承系统进行非线性动力学分析和设计时,选择油膜力模型提供了依据。
The foregoing provides a basis for the selection of oil-film force model during the nonlinear dynamic analysis and design of an actual rotating mechanical rotor-elliptic bearing system.
内置计时器及机械循环计数器。
在研究承受冲击载荷的机械零件设计时,提出了一个新的设计原则,并将冲击问题转化为形状优化设计问题。
Some elements of a machine olden work under impact and this study represents a new design principle for impact, which could turn the design under impact into a shape optimal design.
防腐蚀设计即在机械设计时应考虑防腐蚀的要求,并进行合理的设计和结构改进。
Anticorrosion design means it's should be made under consideration the need of anticorrosion when designing the machinery aspect, and making reasonable design and structural improvement.
公元前117年,东汉的张衡制造了大型天文计时仪器——水运浑天仪,初步具备了机械性计时器的作用。
In117bc zhang heng of the east han dynasty manufactured the water-driven celestial globe a large astronomical time-measuring apparatus that had the primitive function of a mechanical time measurer.
PAK机械股份有限公司生产各种计时的重力式灌装机,该机械主要适用于填充稀释的、半粘度液体。
E-PAK Machinery manufactures a wide variety of time-based Gravity filling machines suitable for filling virtually any water-thin to semi-viscous liquid.
PAK机械股份有限公司生产各种计时的重力式灌装机,该机械主要适用于填充稀释的、半粘度液体。
E-PAK Machinery manufactures a wide variety of time-based Gravity filling machines suitable for filling virtually any water-thin to semi-viscous liquid.
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