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Smoke screen : ウィキペディア英語版 | Smoke screen
A smoke screen is smoke released to mask the movement or location of military units such as infantry, tanks, aircraft or ships. Smoke screens are commonly deployed either by a canister (such as a grenade) or generated by a vehicle (such as a tank or a warship). Whereas smoke screens were originally used to hide movement from enemies' line of sight, modern technology means that they are now also available in new forms; they can screen in the infrared as well as visible spectrum of light to prevent detection by infrared sensors or viewers, and they are also available for vehicles in a superdense form used to block laser beams of enemy target designators or range finders. == Technology ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Smoke screen」の詳細全文を読む
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