2. Classification of explosion and characteristics物理爆炸Physicalexplosions地震、火山爆炸Earthquake，volcanicexplosion地壳内部弹性压缩所引起的地壳运动（地震、火山爆发等）Crustal movement caused by elastic compression of theearth's crust (earthquakes,volcanic eruptions, etc.)口强脉冲放电爆炸Strongpulsedischargeexplosion强火花放电或高压电流通过金属丝所引起的爆炸，能源为电能，放电区的空气压力急剧升高，在周围形成很强的冲击波。Theexplosion caused bythestrongsparkdischargeorthe high voltage current through the wire releaseselectricity energy.And the air pressure in the dischargearea rises rapidly, forming a strong shockwave in thesurrounding area
2.Classification of explosion and characteristics 物理爆炸 Physical explosions 地震、火山爆炸 Earthquake, volcanic explosion 地壳内部弹性压缩所引起的地壳运动（地震、火 山爆发等） Crustal movement caused by elastic compression of the earth's crust (earthquakes, volcanic eruptions, etc.) 强脉冲放电爆炸 Strong pulse discharge explosion 强火花放电或高压电流通过金属丝所引起的爆炸，能源为 电能，放电区的空气压力急剧升高，在周围形成很强的冲 击波。 The explosion caused by the strong spark discharge or the high voltage current through the wire releases electricity energy. And the air pressure in the discharge area rises rapidly, forming a strong shockwave in the surrounding area
2.Classification of explosion and characteristics化学爆炸Chemicalexplosion口爆炸物质的化学成分发生变化。瓦斯爆炸和炸药爆炸Changes in the chemical composition of explosive substances,for example: gas explosion and dynamite explosion口炸药爆炸dynamiteexplosion口特征：过程的放热性、过程的高速度、产生大量的气体Features: high speed process that emits heat and gases口热量的释放是爆炸的一个重要条件The release of heat is an important condition for explosion
化学爆炸 Chemical explosion 爆炸物质的化学成分发生变化。瓦斯爆炸和炸药爆炸 Changes in the chemical composition of explosive substances, for example: gas explosion and dynamite explosion 炸药爆炸 dynamite explosion 特征：过程的放热性、过程的高速度、产生大量的气体 Features: high speed process that emits heat and gases. 热量的释放是爆炸的一个重要条件 The release of heat is an important condition for explosion. 2.Classification of explosion and characteristics
2. Classification of explosion and characteristics核爆炸Nuclearexplosion口由于核裂变或核聚变反应，释放出核能所形成的爆炸Theexplosionofnuclearenergyisreleasedduetonuclearfissionorfusionreaction口核爆炸所释放的能量比普通爆炸释放能量大很多倍，温度达到几百万到几千万度，产生几十万兆帕到几百万兆帕的高压The energy released by nuclear explosion is many timesgreater than that released by ordinary explosion, and thetemperature can reach millions to tens of millions Celsiusproducing a high pressure of hundreds of thousands tomillionsofMpa
核爆炸 Nuclear explosion 由于核裂变或核聚变反应，释放出核能所形成的爆炸 The explosion of nuclear energy is released due to nuclear fission or fusion reaction 核爆炸所释放的能量比普通爆炸释放能量大很多倍，温度达 到几百万到几千万度，产生几十万兆帕到几百万兆帕的高压 The energy released by nuclear explosion is many times greater than that released by ordinary explosion, and the temperature can reach millions to tens of millions Celsius, producing a high pressure of hundreds of thousands to millions of Mpa. 2.Classification of explosion and characteristics