内置变焦镜头，夜视距离达50米；
内置进品夜视镜头，夜视距离达50米；
Built-in night vision products into the lens, night vision distance of 50 meters;
跑道目视距离150米。
可视距离小于2英尺。
跃进的幅度应该根据地形，可视距离，敌人出现的可能性等因此来决定。
The size of each bound should be based on the terrain, visibility, proximity of enemy threat, etc.
在这里，可视距离大约是50游戏单位，阴影距离可以在质量设置中设置。
Here, visible distance is about 50 game units, so Shadow distance was set to 50 in Quality Settings.
我们的目标是对场景的大小和可视距离没有限制，对前景的细致程度也没有限制。
We end up having to limit either the size of the terrain and the view distance, or the amount of foreground detail.
用来观察物体细节的简单目视光学器件，是焦距比眼的明视距离小得多的会聚透镜。
Used to observe the details of a simple visual objects, optical devices, is the focal length than the distance between eyes, as much out of the convergence lens.
百科为我们提供了一种方法来增加这些装置的可视距离，并为玩家提供了一条方便的方法来追踪进度并找到它们。
The codex gave us a way to increase the visibility of these devices, and offer a player an easy way to track his progress finding them.
计算机仿真结果表明本文使用的等效斜视距离模型的误差较小，CA -ECS算法能有效地完成加速度运动补偿。
The computer simulation results illustrate that the squint range model has less error and CA-ECS algorithm can be used to accomplish motion compensation with acceleration efficiently.
本文概述了超高频电波在陆地上的传播特性和传播方式及视距和通信距离的计算；
In this paper, the transmission performance and transmission manner of superfrequency electric wave and the calculations of stadia and communication distance are discussed.
在微波视距通信中通常采用二径模型来描述信道，简要介绍了二径模型的频率响应、损伤参数以及多径时延与天线高度、通信距离的关系。
This paper introduces briefly the frequency response, damage parameter of two-ray multipath model and the relationship between multipath time delay, antenna height and communication distance.
因为在弹奏时眼睛与键盘或乐谱的距离正好在平时阅读视距和眺望远处的物体之间。
This is because the distance from the eyes to the keyboard or music stand is intermediate between reading and distant vision.
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
本文研究了一种新的高频地波超视距雷达目标距离以及方位角超分辨问题。
Super resolution for target range and azimuth Angle of a novel bistatic HF-Surface Wave Radar (HF-SWR) is investigated.
主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
对于长距离路径，则必须仔细勘查两个设施问的路径，确保在视距以内没有地形上或人为的障碍物。
For longer paths, detailed path surveys may be required to determine that there are no topographic or man-made obstructions blocking the line of sight between the two facilities.
该方法是以视距尺的定长作基线，利用经纬仪测定基线两端点的竖直角，求出立尺点至测站点间的距离。
This method apply the length of the stadia as base line, survey the vertical angular of the two ends of the base ling by theodolite and get the distance between the station and stadia.
距离测量误差包含测量噪声和非视距误差两部分，其中非视距误差是位置估计的主要误差来源。
The distance measurement errors include errors of measuring noise and non-line of sight, of which NLOS error is the main source of error in location estimation.
高频天波超视距雷达所独有距离多跳现象，使得位于雷达威力覆盖范围以远的杂波通过地面与电离层的多次反射进入到雷达的接收阵列。
The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.
高频天波超视距雷达所独有距离多跳现象，使得位于雷达威力覆盖范围以远的杂波通过地面与电离层的多次反射进入到雷达的接收阵列。
The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.
应用推荐