Submarines are most vulnerable to detection when the submarine commander USES a periscope to assess the situation on the surface.
当潜艇指挥官使用潜望镜对海面态势进行评估的时候最容易被探测到也最容易被攻击。
When an elephant gets a whiff of something interesting, it sniffs the air with its trunk raised up like a submarine periscope.
大象闻到一些感兴趣的味道，它就闻着那个味道翘起鼻子就像潜艇望远镜。
The radar affords the helicopter long-range search, imaging, and tracking capabilities for surface vessels and includes an advanced periscope detection mode.
该雷达可为直升机提供远程水面舰艇的搜索、成像、跟踪能力，包括先进的潜望镜检测模式。
The radar provides the helicopter with long-range search, imaging and tracking of surface vessels, a periscope detection mode, and the IFF to identify other aircraft in flight.
雷达给直升机提供远程搜索、水面舰艇的成像和跟踪、潜艇检测，并使用敌我识别系统识别飞行中的其他飞机。
They were wider than a man's hand with his fingers spread and the fish's eye looked as detached as the mirrors in a periscope or as a saint in a procession.
这些条纹比一个人揸开五指的手更宽，它的眼睛看上去冷漠得象潜望镜中的反射镜，或者迎神行列中的圣徒像。
A simple periscope USES mirrors.
简单的潜望镜使用平面镜。
The periscope bobbed up behind him.
他背后的潜望镜突然冒了出来。
The captain aligned the periscope on the bearing.
船长使潜望镜对准方位。
Now, peering through the periscope he remarks in businesslike tones.
现在，他一面从潜望镜里观察，一面用精干踏实的口吻说话。
Examples of snorkel-periscope system combination applications are given.
给出了通气管和潜望镜观察系统组合应用的实例。
At periscope depth it can be located by the enemy's reconnaissance aircraft.
在潜望镜深度它能被敌人的侦察飞机定位。
Submarine motion at the periscope depth, will suffer the interference that comes from waves.
潜艇在潜望镜深度航行时，会受到来自波浪的干扰力。
Free space under periscope construction is filled with huge pebbles, reminding the breakwater.
潜望镜下面的空间内装满巨大的石头，让人不禁联想到防浪堤。
The radar system can distinguish the ships, the air tube and the periscope at its largest operation range.
这一雷达系统可在最大作用距离上辨别出船只、通气管和潜望镜。
They commonly had a periscope rangefinder attachment on the right side of their helmets, similar to Mandalorian helmets.
他们通常在头盔右边有一个潜望镜测距器附件，与曼达洛头盔类似。
The failing light was such that observation by periscope could not be relied on, and the Upholder's listening gear was out of order.
当时天色昏暗，难以用潜望镜观察，而潜艇的听音设备也坏了。
Basic concept, operational principle of the virtual periscope, research and progress of the virtual periscope in the U. s are discussed in detail.
对虚拟潜望镜基本概念、工作原理和美国在虚拟潜望镜方面的研究及进展作了详细的论述。
The paper introduces the configuration of system and the work principle of the closed and opened loop control in the pitching of collimation prism of the submarine periscope.
介绍潜艇潜望镜瞄准棱镜俯仰的闭环控制与开环控制的组成及其工作原理。
In the middle of the Atlantic ocean, with a salinity of 3.2 %, a VLF signal will penetrate down to a depth of 10-20 meter, barely periscope-depth for a modern large scale submarine.
在大西洋中部，海水的盐度为3.2%，甚低频无线电信号可以穿透到海面下10 ~20米的深度，几乎就是现代大型潜艇的潜望镜深度。
Periscope for cars can help you to look far away ahead or after especially in traffic jam.
可升降的汽车用的“潜望镜”，你可以用它看到前面或后面很远的路面交通状况，特别是在塞车的时候。
OOPEAA designed the Periscope Tower as part of a larger project to improve facilities on the lakeshore.
OOPEAA设计潜望塔作为这个大项目的一部分，来提高湖岸设施的利用率。
He added that investigators were examining the woman's mobile phone and were working to obtain the original videos from Periscope.
他还说，调查人员正在检查这名女子的手机，并正在努力获得Periscope的视频原件。
In a series of videos on the live-streaming app Periscope, she said that her name was Océane, that she was 19 and that she worked in a retirement home.
在流媒体直播应用Periscope的一系列视频中，她说自己的名字叫奥塞安（Océane），19岁，在养老院工作。
In a series of videos on the live-streaming app Periscope, she said that her name was Océane, that she was 19 and that she worked in a retirement home.
在流媒体直播应用Periscope的一系列视频中，她说自己的名字叫奥塞安（Océane），19岁，在养老院工作。
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