What is meant by "reference distance"?
什么是标准距离？
The magnification factor for magnifiers and telescopes depends on the reference distance.
放大镜和望远镜的放大倍数也都是依照这个标准距离来确定的。
This is the idea that the measured distance between two points depends on the frame of reference from which they are viewed.
这一思想就是，两点间的度量距离取决于他们观察的参照系。
Compare a similar concept and note the distance that separates them-that is, a relative reference (a milk cow and a moose cow are similar in this way but different in that way).
比较一个类似的概念并注明它们之间的距离—即，一个相对参考(奶牛和母驼鹿在某些方面类似，但在另一些方面则不同)。
Your position distance 400metres from intersection of reference line.
你船的位置距参照线交点400米。
All of this got data reference and design basis for eccentric mechanism for adjusting the center distance and others.
通过优化为楔横轧机偏心中心距调整机构及相关机构的设计提供了良好的数据参考、设计依据。
Each measurement has a different measure point. In normal practice, each measurement is shifted in depth by the distance between the measure point and the reference point.
每种测量有不同的测量点，一般地，在实际应用中，每一次测量在深度上要偏移一段测量点到参考点之间的距离。
The method can detect the warp by observing the distance between the two images reflected from the precision sheet glass and the standard plate for the same reference object.
这种方法是通过观测精密薄板玻璃和基准平面反射同一参考物的像，检测两个像分离的程度来判定精密薄板玻璃的翘曲度。
We used Logarithmic Distance Path Loss Model to locate after LANDMARC and filter reference labels of TOP K second time. Finally we promoted the precision of location.
本文引入对数距离路径损耗模型作为LANDMARC的补充进行二次定位，通过对TOPK参考标签进行二次筛选，来实现定位精确度的提升。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
A simple inertial or Doppler navigation has a common defect that position errors are always increasing with flight time or distance, therefore an external reference system is necessary.
纯惯性导航或多普勒导航的一个共同缺点是：一般都具有随时问或距离增长的位置误差，这就需要有一个外基准系统。
If the thunderstorm the influence line of sight, speed, can drop the reference how low it came more low, safety distance should be stretched.
如果雷雨狂风影响视线，行驶速度参考前车，能降多低就降多低，安全距离应该拉长。
The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型，为掘进工作面合理有效通风提供了新的理论依据。
The result shows that the network control of brushless DC motor comes true, it provides reference for the more complex long-distance control.
结果表明此无刷直流电动机的网络控制方案可行，为实现更复杂的远程控制提供了参考。
The experiment results prove the possibility of this project, and have important reference for continual research in long distance control.
实验结果证明了网络远程控制的可行性，对后续复杂远程控制的研究具有一定的参考价值。
For fast calculating the signed distance from spatial point to STL model, a reference ball method was put foward based on linear octree.
针对如何快速求取空间点到STL模型表面有符号距离这一问题，提出一种基于线性八叉树的参考球方法。
Using laser beam as a linear reference to realize autocollimation Angle measurement has advantages such as high accuracy, long measurement distance, etc.
利用激光光束直线基准进行自准直角度测量具有测量精度高、测量距离远等优点。
Through the analyses of causation of leakage in long distance water transferring line, this paper puts forward relevant treatment methods which can provide reference for directing practice.
本文通过对长距离输水干线漏水原因的分析，提出了相应的处理办法，具有指导实践的参考价值。
Said proximity corresponds to a distance (relative position) between the target object (2) and the reference object (6, 8) wherein the reference object is located substantially at the focal plane.
所述接近程度对应于目标物体(2)与参考物体(6、8)之间的距离(相对位置)，其中，参考物体基本位于焦平面上。
No adapter plate is used with this coupling. J represents distance above reference point Y (top of mount bracket).
用这种连接器就不需要连接垫板。J代表距离参考点y的距离(安装托架顶部)。
The cathode drained slope and anode cathode distance have some effects on the electrolyte flow. The research will provide theoretical reference for the structure optimization of the drained cells.
阴极倾斜角和极距对导流槽内的电解质流动有一定程度的影响，这为导流槽的结构优化提供了理论依据。
Results 14 patients were localized successfully, and one patient was failing because the distance between the impacted tooth and the reference tooth is too close to differentiate.
结果14例患者取得明确定位，1例因阻生牙与参照牙距离过近而失败。
When stopping sight distance can't meet the specification's needs in passing lane outside the median divider in expressway, some measures are put forward for reference of expressway design.
在高速公路中央分隔带外侧超车道的停车视距不能满足规范要求时，提出了解决问题的方案和措施，供高速公路设计时参考。
In this case, a reference value is represented by a relative distance among coordinates of four edges of a character image.
这里所说的基准值，用字符图像的四端坐标的相对距离来表示。
The central meaning Shared by these nouns is. The distance of something above a point of reference such as the horizon.
这些名词所具有的共同意思是。从地平线看某件事物达到的高度。
Conclusion the measurement of acromion zygoma distance and shoulder width, which provides significant reference data for the design and improvement of cervical rehabilitation pillow.
结论：肩颧距及肩宽数据测量，为颈曲康复枕设计和改进提供了重要参考依据。
J represents distance above reference point Y (top of mount bracket).
J代表距离参考点y的距离(安装托架顶部)。
Field of construction is limited. This paper obtains data of safety distance via practical measuring. The data can use for reference to dispose field of construction.
施工场地的范围是有限的，本文通过实测，取得安全距离数据，为施工场地的布置提供了依据。
The distance from user to reference station influences the positioning accuracy definitively in local area differential GPS.
利用局域差分GPS进行定位时，只有当流动站位于基准站构成的多边形网内时，才可能得到较高的精度。
The distance from user to reference station influences the positioning accuracy definitively in local area differential GPS.
利用局域差分GPS进行定位时，只有当流动站位于基准站构成的多边形网内时，才可能得到较高的精度。
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