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汉语拼音：xìn hào dàn

一种发射后产生有颜色的光或烟的弹药，用于发布信号或通信联络。

1. 发射后产生彩色光亮或烟雾的子弹，多用于军事上传达命令、指示目标或进行相互间联系等。

   魏巍 《东方》第五部第十四章：“从山顶上接连飞起了三颗绿色的信号弹，以它灿烂夺目的光辉，告慰着祖国的亲人。” 徐迟 《大场的一夜》：“我顺着他的手指望去，天空中不知何时已悬挂了两盏小灯，一红一黄，团副解释这是炮兵的信号弹。”

• They also have been reported being used as improvised weapons, as they are able to ignite flammable material like clothing and human flesh.

  根据某些情报，它们也确实被当作简易的武器来使用，特别是信号弹点燃可燃的材料时，像是衣服，或是你身上的皮肉。

• An hour later a signaling shot curved high in the sky and burst directly over the fort.

  一小时之后，一发信号弹高高升起，在天空划下一道弧线，在要塞的正上方爆开。

• It was a quiet and bright morning, short bursts and single shots could be heard from the frontline.

  这是一个安静和清新的早晨，从前线不断传来零星的枪声和信号弹射击声。

• This paper introduces technologies of rocket-like trajectory indication signal device of an exercising self-propelled mine.

  本文主要介绍自航水雷操雷弹道指示火箭信号弹技术。

• combustible_material (usually salts of lithium or strontium) that burns bright red; used in flares and fireworks.

  一种易燃材料（通常是锂盐或锶盐），燃烧时发出红光，用于信号弹和焰火。

• The rocket-like signal device mainly consists of a body, launching tube, signal tube, black powder and soon.

  火箭信号弹主要由下壳体、发射管、信号管、黑火药等组成。

• CHARGED: Shoot an enemy with a flare from the Screamer Charge Shot so it explodes and kills another enemy.

  左轮蓄力，在一个敌人身上射一发信号弹，然后炸死另一个敌人。

• As soon as you get to the top of the hill , send up a red flare .

  你们一到达山顶，马上发射一颗红色信号弹。

• All of a sudden, decides to light up a flare and swim around?

  而他突然决定点燃一支信号弹游来游去