fired charge 中文意思是什麼
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Derived from the 1929 fortress gun ( itself a development of the old 1897 field gun ) with a semi - automatic breech and an automatic loader added, the " high power " apx 75mm gun fired a mle 1915 he round with a reduced charge at 400 m / s and the mle 1915 ap round at 570 m / s ( 50mm penetration at 1000 m ) and its two sights and stereoscopic rangefinder allowed a direct fire range of 2000 m
「大威力」 apx型75毫米炮由1929型要塞炮（舊式1897型野炮的發展型）衍生而來，加裝了半自動炮尾和一個自動裝填器，發射減裝藥的1915型高爆彈（初速400米/秒） ，及1915型穿甲彈（初速570米/秒， 1000米距離可穿透50毫米裝甲） 。 -
This paper confirms a kind of non - linear mapping relation between vibration velocity of particles on building and the influence factors, such as total explosive charge, maximum explosive charge fired at the same time, the distance between blasting point and monitoring points, peak particle velocity of ground where building is, the height from monitoring point to ground, and so on, and sets up a support vector machine ( svm ) model for forecasting the vibration effect induced by an explosion
應用支持向量機，建立了總藥量、最大段藥量、爆破點與監測點距離、構築物所在地面震動峰值速度、測點到地面的高度等因素與建築物上的質點震動速度之間的非線性映射關系，確立了支持向量機預測模型。
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