An exploration of axle centre pressure attenuation rule proves that the effectiveinjection distance is 9~15 times as much as the diameter of nozzle entry.
对轴心压力衰减规律的探索，证明其有效喷距为喷嘴入口直径的9～15倍；
2
Yaws can be treated with a single dose of a cheap and effective antibiotic: Benzathine Penicillin injection cures the disease.
治疗雅司病只需要一剂便宜且有效的抗菌素-注射苄星青霉素可以治愈该疾病。
3
This is an effective way to guard against malicious SQL injection.