Measurement accuracy of visibility and effect by back-scattering energy in transmission detection instrument for visual range;
透射式能见距离激光测量仪的测量精度及受后向散射能的影响
Optimized choice of emitting energy of lasers in Transmission Detection Instrument for visual range;
透射式能见距离测量仪中激光器能量的优化选择
Calculation and analysis design for blind area of photoelectric transformation system in transmission detection lnstrument for visual range;
透射式能见距离测量仪中光电转换系统盲区设置的计算与分析
The xvind direction and speed as well as the visibility were recorded simultaneously.
1993年6、7月间，我们在青岛小麦岛岸边用“三用滴谱仪”进行海雾滴谱和含水量观测，共取得9个滴谱资料和18个含水量资料，同时记录了能见距离和风速、风向等。
he authors describe the foundamental principles of the generation of night scene and fog scene, and they first introduce quantitative analysis methods of visible range for lights in night scene and fog scene respectively.
详细介绍了航海模拟器视景中夜景和雾景生成的一般方法，并首次对夜景中灯光的能见距离以及雾景的能见距离作了定量分析，提出了保证图形显示准确性的方法。
Testing conditions of visibility distance and their effects on results;
能见距离测试条件及其对测试结果的影响
luminous visibility diagram
各种能见度情况下灯光能见距离图
Visibility was down to 100 metres in the fog.
大雾中能见距离已降至100米.
The sand in the air reduced visibility to a hundred yards.
空中的沙尘将能见距离降低到100 码。
We are now within sight of the shore.
我们现在的距离能看见海岸了.
Luminous Range Diagram for obtaining the range at which a light can be seen allowing for its power and the prevailing visibility.
光达距离图供只考虑灯标强度和当时能见度确定能看见灯光的最大距离。
The maximum distance from you at which the power can affect a target. See Range, page32, for more information.
该异能从你的所在点能够延伸触及到的最远距离。详情请见第32页的“距离”。
When they came within earshot of him, they stopped talking about the business
当他们走到他能听见的距离时，便停止谈论那笔生意。
The employers and the unions are still miles apart, ie are far from agreement.
雇主与工会之间仍有很大距离（远不能取得一致意见）.
Could you judge the distance?
你能估计这段距离吗?
within speaking distance
在能交谈的距离之内
The distance that an arrow can be shot.
射距射一箭所能达到的距离
within speaking range [distance]
在听得见说话的范围[距离]内
Please keep within hearing (distance), ie stay near enough to hear.
请保持在听得见的距离内.
Keep in visual signalling touch.
保持在看得见信号的距离中。
Shorten the Distance from Students through Communication and Conversation;
用“沟通与对话”拉近与学生距离之管见
Visible Characteristics and Calculation of Detecting Distance for Space Target
空间目标可见光特性与探测距离估算
range hand wheel
距离手轮, 距离盘
distance within which one can see or hear;distance over which sounds will travel
视力或听力所达到的距离;声音所能传送的距离