在水平井作业过程中，准确判断井眼轨迹方向，有效控制层位尤为重要。
It is most important to accurately determine the well bore path and effectively control the layers while horizontal well drilling.
提出用表面去除廓形来描述模具表面在垂直于抛光轨迹方向的抛光去除量。
Material removal profile is proposed to describe the depth of material removal orthogonal to the tool path on a mold surface.
概括了型腔加工轨迹生成的方法，分析了采用数学优化的方法来优化行切加工轨迹方向的原理、过程，并给出了相应的程序框图。
The methods used for generating the cutting path in pocket machining are summarized, the principle and processing of the way are analysed and the corresponding flow charts are given.
这意味着如果我们在这点观察运动的轨迹，它的加速度是指向这个方向的。
So, what that means is that if I look at my trajectory at this point, that the acceleration vector is pointing in that direction.
拉力是一种物体在空气中所受到的阻力，它能产生与球运行方向相反的作用力，减缓球的运行速度，而升力则是一种能使物体偏离直线运行轨迹的力。
Drag is the force of air resistance pushing against a ball's motion and slowing it down, while lift is a force causing a ball to swerve off a straight path.
亚特兰蒂斯号沿着向东北方向的轨迹，加速飞入多云的天空，沿着预订轨道在星期三下午与国际空间站对接。
Wheeling about to line up on a northeasterly trajectory, Atlantis accelerated through a partly cloudy sky, on course for a docking with the space station around noon Wednesday.
你们可以看到,有件事非常值得注意,可以注意到,方向的速度，is，that，the，velocity，in，the，x，direction,在整个轨迹当中-,如果没有空气阻力，也没有摩擦力-,是不会改变的。
Now, when you look at this there is something quite remarkable and the remarkable thing x - throughout this whole trajectory-- if there is no air draft, - if there is no friction-- is not changing.
与铁屑和磁棒对称整齐的磁场模式不同，地球磁层面向太阳的一面被向内推，在相反的方向上延伸出磁场的轨迹。
Unlike the symmetrical pattern of the iron filings and magnet, the magnetosphere is pushed in on the side facing the Sun and stretched out in the Earth's wake.
针对自由曲面走刀方向数控加工的研究，建立了简化的刀具轨迹时间模型，并对路径规划的系统进行了讨论。
To aim at the research on cutting direction in NC machining of free-form surfaces, a simplified time model for tool trace is established, and the system of tool path programming is discussed.
当你看到你的方向和最终目标的时候，你就很少会转变自己的行进轨迹或者失去动力了。
When you see the direction and the ultimate goal, you will hardly veer off course or lose motivation.
介绍了通过矢量运算方法对立铣加工刀具偏移方向和刀具轨迹进行快速自动判别和计算的原理和方法。
The principle and method was introduced of identifying cutter offset direction and calculating cutter path according to vector operation.
所以我们需要寻找和跟踪所有可能与地球运行轨迹相交的小行星，这样专业人员可以提前发出警告，就可能有时间扭转危险小行星的运行方向。
So finding and tracking all the asteroids that could cross Earth's path would allow officials to issue warnings and potentially provide time to deflect dangerous ones.
文中给出了一种自动识别轴心轨迹进动方向的新方法。
This paper presents a new method for automatically identifying the axis trace moving direction.
未来的道路，并非一览无遗，但我们终于看清了前进的方向，也许偶尔审视来时的轨迹，可以找到一点端倪。
The way forward is not always clear and through, but we finally find the correct direction. Maybe some review of the trace behind could tell the reason.
结晶器铜管在引仲加工过程中，由于凹模中心线与机床运动方向轨迹线不同，造成加工干涉和产品缺陷。
In the course of drawing process, the process interference and defect take place because of the difference between the centerline of concave die and the trace of moving direction.
仿真实验结果表明，利用该算法可以通过控制机器人两个驱动轮的驱动力矩来实现控制机器人按给定的轨迹运动，同时也能实现机器人方向角的改变。
The result of simulation indicate the algorithm can actualize track movement of robot through controlling driving torques of two wheels and change the direction corner of robot simultaneously.
当水平方向偏转电压为正弦信号时，屏上电子的扫描轨迹也按正弦规律变化。
When exert a sine signal, the trace of electron beam on screen also changes along sine signal.
根据光线在晶体中的轨迹公式，计算了任意方向入射光所对应的尼科尔棱镜的临界角，得到了尼科尔棱镜的偏振区的限制曲线。
According to ray-tracing formulas of crystal, calculated the critical angles of Nicol prism for incident ray in any direction. Achieves the polarization critical curves of Nicol prism.
平行扫描轨迹间的进给线与层面边界方向一致，可以极大减缓层面加工的台阶效应。
The step effect in the layer manufacturing is improved because the feeding direction is identical with the layer border.
这从创作精神、创作方向、创作原则上可探索出郭福平创作道路的轨迹。
From his creative spirits, orientation and principles, we can draw a map of Guo Fuping's creative Course.
针对目前谷坡变形监测数据整理结果的某些弊病，设计一种简洁、直观、信息量丰富的变形位移轨迹图，较好地将变形时段、变形量、变形方向有机地结合起来。
A new kind of shifting track diagram of monitoring point, which is concise, intuitionistic and informative, is presented in this paper in order to improve data analysis of slope deformation.
熔融金属的动能的方向和数量受到浇注槽的出口的设计以及浇注运动的适当选择的轨迹的影响。
The direction and magnitude of the kinetic energy of the molten metal are affected by the design of the spout of the casting trough and by a suitably chosen trajectory of the pouring motion.
轨迹球的形式与和载台的运动方向显著影响点选作业的正确率。
The effects of input device and motion direction on accuracy were significant.
从运行轨迹几乎每一个方向以外的宁波和快速呼吁宁波俱乐部自然会给你一些有识之士就开始在那里骑马。
Trails run from nearly every direction outside of Ningbo and a quick call to the Ningbo Nature Club will give you some insight on where to start riding.
由此得出，决定井眼轨迹的是钻头合位移方向，而不必是合力方向。
The trajectory of bore hole is proved to be formed by the resultant displacement of the bit instead of the resultant force.
文中分析、证明了3 -RPS并联角台机构能实现空间三维卡当运动，其三维卡当运动在空间的运动轨迹为三坐标方向的椭圆簇。
It is proved that the 3-rps pyramid mechanism also has the three-dimensional CARDAN motion and the kinematic trajectory is an ellipse cluster.
文中分析、证明了3 -RPS并联角台机构能实现空间三维卡当运动，其三维卡当运动在空间的运动轨迹为三坐标方向的椭圆簇。
It is proved that the 3-rps pyramid mechanism also has the three-dimensional CARDAN motion and the kinematic trajectory is an ellipse cluster.
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