jet injection meaning in English

快速注射
喷射注射
射流喷射

Pain as measured with a standard scale was significantly lower with the jet injection than with the needle injection , the authors report
采用标准方法评价疼痛，发现快速注射麻醉疼痛明显低于针孔麻醉。
The pain score for the vasectomy itself was lower after jet injection than after needle injection , but the difference was not significant from a statistical standpoint
快速注射麻醉输精管切除疼痛分数低于针孔麻醉，但无统计学差异。
The flow field that results from the interaction of lateral jets injection into supersonic flow over projectile has complicated shocks wave patterns , which include regions of shocks and expand waves , and the lateral jet interaction also effects base flow of projectile
弹丸侧喷流与绕流的相互干扰形成了包含喷口前激波、再附激波以及沿喷流边界发展的膨胀波等复杂的波系结构，并延伸影响到弹底部流动。