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periscope    音标拼音: [p'ɛrəsk,op]
n. 潜望镜,展望镜

潜望镜,展望镜

periscope
n 1: an optical instrument that provides a view of an otherwise
obstructed field

Periscope \Per"i*scope\, n. [Pref. peri- -scope.]
A general or comprehensive view. [archaic]
[1913 Webster]

2. An optical instrument of tubular shape containing an
arrangement of lenses and mirrors (or prisms), allowing a
person to observe a field of view otherwise obstructed, as
beyond an obstructing object or (as in submarines) above
the surface of the water.
[PJC]


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  • Periscope - Wikipedia
    A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position [1][2] In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle
  • What Happened To Periscope? Here’s Why The App Shut Down - productmint
    Periscope is a social network that allows users to broadcast and consume live-streamed video content On March 31st, 2021, Periscope was shut down because the cost of maintaining and expanding the platform was outweighing the revenue that it was generating
  • Log in - Periscope
    Explore the world by watching and creating live broadcasts
  • Periscope | Submarine, Viewing, Mirrors | Britannica
    Periscope, optical instrument used in land and sea warfare, submarine navigation, and elsewhere to enable an observer to see his surroundings while remaining under cover, behind armour, or submerged A periscope includes two mirrors or reflecting prisms to change the direction of the light coming
  • Periscope shuts down, six years after popularizing mobile live . . .
    Periscope, the app that popularized live streaming from smartphones, is shutting down today, just over six years after it launched The service has already been removed from app stores,
  • Periscope: Definition, Diagram, Types, Working Principle, Uses
    A periscope is a device used to look over, around, or through an object, impediment, or circumstance that precludes direct line-of-sight observation from the observer’s current location Periscopes were commonly utilised in submarines and trenches to watch enemy movements while remaining undetected
  • Periscope Is Officially Dead After Six Years of Live Streaming - MUO
    Periscope, a service that played a major role in catapulting mobile live streaming to the forefront, is shutting down for good In December 2020, Twitter announced its decision to close Periscope by March 2021 Back in December 2020 Twitter declared it was abandoning Periscope
  • Periscope App Officially Shutting Down After Today
    Twitter-owned app Periscope today announced that its dedicated app for the live video service will be shut down as of today In a tweet, Periscope said that today is the last day that the
  • Getting started with Periscope - help. x. com
    A Periscope broadcast is a live video stream Viewers can engage directly with the broadcaster and other viewers through the use of real time commenting and hearts A stream can be as short or as long as you want
  • Periscope for Android Download Free - 1. 31. 4. 00 - TechSpot
    Periscope lets you broadcast live video to the world Going live will instantly notify your followers, who can join, comment and send you hearts in real time The more hearts you get, the





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