Time regarded as a coordinate dimension and required by relativity theory, along with three spatial dimensions, to specify completely the location of any event.
第四维,第四元:在相对论中指时间,同其它空间三维一起来确定任何一事物的位置。
In the paper the calculation methods of the coordinate dimension will be discussed and analyzed, and another calculation method will be put forward to make it more perfect.
本文对坐标尺寸的计算方法分析研究,提出了坐标尺寸的另一种计算方法,使计算更为完善、有规律可循。
In allusion to these problems, a plasma sheath model in an oblique magnetic field, which has one dimension coordinate space and three dimensions speed space, has been build.
针对以上问题,我们建立一个一维坐标空间三维速度空间的斜磁场作用下的等离子体鞘层物理模型。
Besides existing the single transmission questions, two grades of reducer have other problems, such as dimension coordinate, transmission radio distribute, power flow direction and balancing.
双级减速器除了存在单级的传动问题以外,还有外形尺寸协调、传动比分配、功率流分流及机构平衡等问题。
The image is converted into vector and sketch node coordinate is withdrawn automatically by computer, two dimension the point gather the matrix is formed.
将图像转换为矢量图形,由计算机提取图形节点坐标形成二维点集矩阵。
This method realizes the 2 dimension constrained adjustment of GPS control network based on quasi-stable datum using classical adjustment of free networks and coordinate transformation method.
该方法采用经典自由网平差和坐标转换法实现基于拟稳基准的GPS控制网2维约束平差。
According to the HOP dimension feedback from customer, analyze root cause, make optimization plan and implement, track and coordinate for the effect.
根据内外部客户的HOP尺寸问题反馈,分析根本原因,必要时制定方案进行尺寸调整,并进行必要的反馈与协调。
Relied on previous data, the general expression of displacement fundamental solution for three-dimension bi-materials under coordinate system oblique to interface is given.
利用已有的三维双相材料位移基本解,给出了在与界面斜交坐标系下位移基本解的一般表达式。
Placing the problem in a broader social dimension to inspect, through the integrated criminal thinking to coordinate the relationship of the two is an effective way to solve the contradiction.
将其置于更广阔社会维度内进行考察,通过刑事一体化的思维来协调二者之间的关系,是解决二者矛盾、冲突的有效途径。
The precise three dimension coordinate B, L, H can be obtained with GPS technique. It must be transformed into users needed coordinates, which has been applied widely in this field.
利用GPS测量技术可以获取GPS点高精度的三维坐标B、L、H ,经坐标转换可获得用户需要的坐标,在这一方面已获得广泛应用。
The space and time synchronization are realized through coordinate transformation and interpolation on time dimension;
进一步通过坐标变换与时间维插值完成空间与时间对准;
The handle adopt high grade material and electroplating, the dimension are precise, may coordinate with any handpiece.
柄部采用优质材料并电镀,尺寸精密,可与任何机头配合。
Objective:To establish three-dimension (3D) rectangular coordinate and to obtain relevant parameters of artificial tooth morphology for full denture.
前言:目的建立用于全口义齿人工牙的三维坐标系并测量其相应参数值。
The experiments of one-dimension coordinate measuring system are also studied.
本研究同时进行虚拟坐标测量系统原理性之实验研究;
This paper introduces a method, which can measure very complex profile or surface of a casting part by using three dimension coordinate measuring machine and reverse engineering technology.
介绍了一种利用三坐标测量机与反求技术相结合,实现铸造零件复杂轮廓检测的具体方法。
Lots of CMM (Coordinate Measuring Machines) are introduced into automobile manufacturing field to measure and control the dimension quality.
大量的三坐标测量机用于汽车产品质量控制,提供了一种快捷方便的检测手段。
Global Position System, called GPS also, can provide high precision, all-weather, continuous and real-time three - dimension coordinate, velocity and time.
全球定位系统(GPS)能够为全球任意地点、任意多个用户同时提供高精度的、全天候的、连续的、实时的三维定位、测速和时间基准。
On the other hand, it is found that choosing the appropriate coordinate system can effectively reduce the integration variable dimension and finally arrive at the same result.
另一方面,发现可以通过选取合适的坐标系可有效地降低积分动量的维数,同样可以求得关联函数的解析式来。
The conclution of the paper is, only concepts of gradient, divergence and curl can be introduced to the three coordinate place. Any other concept, such as "dimension"is unnecessary and impossible.
指出在三维空间中只可引入梯度、旋度、散度,除此之外不可能再引入其它与之相对应的“度”。
The conclution of the paper is, only concepts of gradient, divergence and curl can be introduced to the three coordinate place. Any other concept, such as "dimension"is unnecessary and impossible.
指出在三维空间中只可引入梯度、旋度、散度,除此之外不可能再引入其它与之相对应的“度”。
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