1) variable muzzle velocity
变初速
2) initial strain rate
初始应变速率
3) initial creep
初始蠕变，初期蠕变(减速蠕变)
4) Muzzle Velocity
初速
1.
A new scheme of two-stage charge for the secondary propulsion in bore was proposed to increase the muzzle velocity of the projectile of large caliber automatic weapons.
提出一种采用双级装药进行膛内二次发射以提高弹丸初速的新技术,为提高大口径自动武器的初速提供了一条新思路,并建立了双级装药弹膛内二次发射内弹道模型,揭示了装填条件中弹丸质量配比、装药质量配比、延迟时间和预紧力约束等变化时对膛压和初速的影响规律。
2.
To increase the muzzle velocity of the projectile but not the maximum pressure in bore,a new scheme of two-stage charge for the second propulsion in bore for large caliber weapons is introduced.
提出一种采用双级装药进行膛内二次发射以提高弹丸初速而不增大最大膛压的新技术,设计了双级装药弹的结构,为提高大口径身管武器的初速提供了一种新思路。
3.
The Barrel life of Cannon is assessed by the rate of the muzzle velocity of pill to the standard velocity.
通过用火炮外弹道测量的初速与标准初速的比率来评定火炮身管寿命。
5) initial velocity
初速
1.
To improve a kind of JYJ-90 skyscreens which is applied to measure the initial velocity,based on the principle of the apparatus which forming a sensor wall on the sky called skyscreens,by using of photoelectronical testing techniques,the paper introduces the method to sense the initial velocity of bullets.
为改进一套JY J-90型天幕靶用于测试XX产品弹丸的飞行速度,以光电转换原理为基础,采用光电子技术形成弹丸空间坐标的无形光幕,同时由光电传感器与多路测试仪结合测每发弹的初速,全部数据由计算机采集和处理。
2.
To insure the uniformity of the initial velocity of self-unit single-base propellant charge at low temperature,it is necessary to control the consistency of external volatiles.
为确保某独立单元单基装药低温初速的一致性,必须对外挥的一致性进行调控。
3.
Comparison studies of the initial velocity, bore pressure and the leavings after shooting of double-base ball propellant with that of D25 propellant were made by firing tests.
分析比较了双基球形药与1325发射药在初速、膛压以及射击后残渣情况结果说明,双基球形药比D25发射药具有更好的弹道性能、射击功能和安全可靠性。
6) primary creep
第一阶段蠕变(蠕变加速区);第一阶段蠕变;初期蠕变(减速蠕变)
补充资料：初速
初速——弹头脱离枪(炮)口瞬间的运动速度。相同的弹头，初速大的，射程远，侵彻力大，反之则小。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条