词汇	lethal dosage 50％
释义	lethal dosage 50％医半致死剂量
随便看	vertical incidence vertical incidence absorption vertical incidence ionosonde vertical incidence ionospheric sounding vertical incidence transmission vertical-incidence transmission vertical incidence virtual height vertical incident solar rays vertical incident transmission vertical incision vertical inclination angle vertical inclined plate sedimenta-tion vertical index vertical index bubble vertical index error vertical index level Vertical Indicating Gyro Internally Lighted vertical indicator vertical-indicator vertical indices vertical induction furnace vertical induction motor vertical industrial linkage vertical industrial networks Vertical Industry Portal