艾氏冲击试验：用规定高度的摆锤对处于悬臂梁状态的缺口试样进行一次性打击，测量试样折断时冲击吸收功的试验。
The impact test of the pendulum is used to strike the notched specimens of the cantilever beam with a prescribed height, and the test of impact absorbing power when the specimen is broken.
夏比(V型缺口)冲击试验：用规定高度的摆锤对处于简支梁状态的V型缺口试样进行一次性打击，测量试样折断时冲击吸收功的试验。
Charpy impact test (V gap) : the specified height of pendulum of the one-time blow to V notched specimens in beam state, test specimen is broken by the impact absorbing energy.
研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.
通过水槽和模拟降雨的试验方法，研究了雨滴打击对陡坡薄层水流水动力学特性的影响。
By means of flume and simulated rainfall test, effect of raindrop splash on hydro-dynamic properties of sheet flow on the steep slope was researched.
本文还用数值分析的结果解释了试验中出现的现象，指出了试验系统的匹配问题，给出了判断试验装置最大打击应力的方法。
According to the numerical analysis, the phenomena of the impact process are explained, the match of the test system is discussed, and assessment of maximum stress of the test apparatus is given.
超大质量黑洞的包装试验数以十亿计的太阳有能力管理自己的精力在拔河用烧红的辐射风，打击在其碎片磁盘。
Supermassive black holes that pack the heft of billions of SUNS have the capacity to regulate their energy during a tug-of-war with a hot radiation wind that blows in from their debris disks.
此前，该公司两种最重要的新药在临床试验中失败，已令公司受到很大打击。
The withdrawal is a big blow for Merck, which is already reeling from the failure of two of its most important new medicines in clinical trials.
对四元数法和等效转动矢量法的滚转弹姿态解算精度进行比较，并通过打击机动目标的仿真试验验证了姿态解算精度对制导精度的影响。
This paper introduces the principle of fiber optic gyro, studies the attitude algorithm of fiber optic gyro ship attitude system, introduces the quaternion algorithm and rotation vector algorithm.
对四元数法和等效转动矢量法的滚转弹姿态解算精度进行比较，并通过打击机动目标的仿真试验验证了姿态解算精度对制导精度的影响。
This paper introduces the principle of fiber optic gyro, studies the attitude algorithm of fiber optic gyro ship attitude system, introduces the quaternion algorithm and rotation vector algorithm.
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