Fin whale has become a periscope?
鲸鱼鳍成了潜望镜？
A viewing instrument such as a periscope, microscope, or telescope.
观看地仪器观察仪器，比如潜望镜、显微镜或者望远镜。
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。
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。
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。
The weapon operator search and locate the target using a periscope optical sight (7km range) in day light, or a thermal imager at night or in bad weather conditions.
武器操作员在白天亮光下使用一个潜望镜白光瞄准镜（7公里范围）或在不良天气条件或夜间使用热成像去搜寻和定位目标。
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。
In that sense, Internet use is like a periscope: When users age 50-plus put theirs up, researchers have found, they're looking both backward and forward, toward the past and the future.
在这个意义上，互联网的使用像潜望镜：当使用者年龄50余岁时，研究人员已经发现，他们也在向后和向前的寻找，面向过去和未来。
The US magazine Forbes has selected the grave periscope, a 1908 invention by George Willems, as the kookiest invention in the country.
美国著名杂志《福布斯》日前选出美国史上最怪的发明。由美国发明家威勒斯1908年设计的棺材潜望镜获此殊荣。
Ushakov submitted his radical design, which included a conning tower and periscope, to senior officers in 1936.
尤沙科夫在1936年将它的原始想法向上级汇报，该想法还包含了一台了望塔和潜望镜。
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。
A simple periscope USES mirrors.
简单的潜望镜使用平面镜。
This lakeside observation pavilion by Finnish studio OOPEAA doubles as a giant periscope, so visitors don't have to climb to the top to enjoy the view.
芬兰工作室OOPEAA设计了这座湖边的观察亭，它是大型潜望镜的两倍，所以游客不必爬到山顶欣赏风景。
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。
To compensate, they plan to install a submarine periscope at the top of the vertical steel ladder leading to the original access hatch.
作为补偿，他们打算在竖直的钢梯顶部安置一个潜水艇的潜望镜，这个钢梯是通往原先过道出口的。
The ersatz-leather case slung over his left shoulder contains a Model 40 trench periscope, which was used by many snipers for covert surveillance from their cleverly concealed positions.
仿制的皮箱在他的左肩上，包含40型潜望镜，用来在他们隐蔽点中巧妙地隐蔽监视。
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 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。
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。
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