他们举枪齐射。

They fired off a volley of shots.

国歌过后，他们将齐射一阵空包弹。

They were to fire a salvo of blanks, after the national anthem.

战国时代发明了可以双箭齐射的连弩，提高了发射速度。

Repeating crossbow which could launch two arrows at a time was invented during the Period of Warring States.

根据作战效果指标，建立了单发反舰导弹突防概率模型，研究了反舰导弹双发齐射的效果并论证了其合理性。

Base on the operational effect indexes, the penetration probability model of a single ASM is established. And then the effect and rationality of double-missiles fusillading are analyzed.

我的第一次齐射对准的是一艘倒霉的得梅因级重巡洋舰。那个逗比想要冒险在她的舰队前面形成一道防空弹幕。

My first salvo was directed at a Des Moines-class cruiser who had ventured ahead of her formation to create an anti-aircraft screen.