这是他们自然的运动规律。
火的自然运动规律是向上运动。
万事万物都有着自然地运动规律。
发动机机械系统真实运动规律研究。
从动件运动规律的设计是凸轮机构设计的基础。
Cam design is based on the design of follower's motion laws.
研究了一种变质量柔绳上升和下降的运动规律。
运动规律的设计，直接影响凸轮机构的运行精度。
The Motion law design directly influences the operation accuracy of the CAM mechanism.
按受控机构学原理，分析受控构件的补偿运动规律；
The law of compensation movement of the controlled links is analysed according to the principle of the controlled five bar mechanism.
通过分析与计算得到了进排气阀片的运动规律曲线。
At last we got the curve of valve's movement law through analysis and calculation.
介绍了抽油机的机械结构、智能控制原理及其运动规律。
This article introduces its mechanical structure, principle of intelligent control and law of motion.
因此气阀运动规律的研究是气阀设计中极其重要的一环。
So the research on movement law of gas valve is one of the very important parts in gas valve design.
最后根据测量结果总结了手提式肩射武器射击时的运动规律。
Finally the regularities of the motion of hand-held shoulder arms under firing are summarised based on the measurement results.
探讨了沟槽内岩块的运动规律，以及深孔微差爆破的作用机理。
The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.
本文开发了一种新型的凸轮运动规律——疏密化摆线运动规律。
The author developed a new type of CAM motion curve - density cycloid motion curve.
从动件的运动设计包括各运动阶段运动规律的选择和运动时间的分配。
The motion design of follower includes selection of motion law and distribution of motion duration for each motion phase.
风沙运动规律以及对植物作用机理的研究是沙漠学探究的重要组成部分。
Study on laws of wind-blown sand movement and plant function mechanism is an important part of desert research.
混合驱动可控压力机是一个二自由度机构，能够提供多组输出运动规律。
The hybrid driven controllable press is a mechanism with two degree of freedom that could provide motion low of multi-grouped output.
广义相对论，描述引力与时空的关系；量子力学，研究微观粒子运动规律。
General relativity deals with gravity and time and space; quantum mechanics with the microscopic workings of matter.
挟沙水流的运动规律是泥沙运动力学中最基本、最重要的研究课题之一。
The mechanics of sediment-laden flow has been one of the most important subjects in hydraulics and river dynamics.
通过对凸轮机构运动规律的优选设计，提高机构的工作可靠性和工作精度。
Improve the work reliability and accuracy of the mechanism by optimizing the design of CAM mechanism's motion law.
本文应用物质平衡原理，研究了抽油井环空拟液面在测试过程中的运动规律。
Based on the principle of mass balance, this paper deals with rules of. motion of the pseudo-fluid level in the annular space in the process of testing the pumping oil well.
对身体运动规律的研究显示，大多数人每天坐着的时间长达八到10个小时。
Studies of movement patterns indicate that most of us spend between eight and 10 hours each day seated.
并考虑到压力机的典型运动规律，选择了该混合驱动可控压力机的运动方案。
Considered the typical kinetic rules of mechanical press, the motion design of the hybrid-driven mechanical press suitable for deep drawing is selected.
构建了分纸机构运动反求的数学模型，得到了从动件及分纸吸嘴的运动规律。
The mathematical model for the motion inverse seeking of paper separation mechanism was constructed, and the motion laws of CAM follower and of paper separation suction nozzle were obtained.
要明白其究竟，我必须完全改变观察点，去研究蒸汽、教堂大钟及风力的运动规律。
To do that I must completely change my point of observation and study the laws of the motion of steam, of the bells, and of the wind.
鹅颈管的“组合效应”改变了其几何组成部分的水流特性，而遵循其固有的运动规律。
The flow characteristics of geometric component of the gooseneck is changed due to "composite effect", and it follows an original motion law.
采场控顶设计是顶板管理的关键因素，而顶板岩层的运动规律是采场控顶设计的依据。
The roof control design in mined field is the key to roof control and the movement rule of roof terrane is the basis of the roof control design.
运动规律是几何关系与时间关系的复合，控制运动规律就可以准确实现轨迹的几何性质。
Motional regularity consists of geometric relation and time relation. Therefore, the geometric properties can be accurately carried out by controlling motion regularity.
研究潜艇的操纵性，需要对潜艇的空间操纵运动进行预报，从而掌握潜艇的操纵运动规律。
To research the submarine maneuverability, we need to predict the submarine space maneuvering motions, and master the laws of the submarine maneuvering motions.
研究潜艇的操纵性，需要对潜艇的空间操纵运动进行预报，从而掌握潜艇的操纵运动规律。
To research the submarine maneuverability, we need to predict the submarine space maneuvering motions, and master the laws of the submarine maneuvering motions.
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