战斗使用 meaning in Chinese

operational deployment

You made a mistake ! ~ the cavalry dao used by xin army is german style . this dao looks like honour dao , but from decorations of shape it ' s possible made by japanese
你弄错了！新军战斗使用的马刀是德制。此刀看上去是礼仪刀，看造型的装饰可能是小日本造的。
This paper uses numerical analysis methods to simulate two fighters fighting in the air by computer and researches all the problems at different postures of the fighters when fighting . the mathematical modeling is preliminarily researched and designed during the air action emulation of two fighters . a sort of description means which is found is more realistic for the simplified modeling of the fighters
本文利用数值分析方法通过计算机模拟仿真战斗机的空战过程,研究战斗机在各种空战态势下的战斗使用问题,对双机空战仿真中的飞机数学模型进行初步研究与设计,找到一种较为符合实际的飞机简化模型描述方法。