median life expectancy  半数预期寿命

bringing more convenience to the people in their daily life; providing amenities for the people; making life easier for the population  方便生活

life saving apparatus [= life saving appliance]  救生器具; 救生设备

2D median filter  二维中值滤波

2-median problem  2-重心问题

3-D median filter  三维中值滤器; 扫描时自动跟踪

Abdominal median incision  腹部正中切口; 生物群

absolute median  绝对中位点

Activity Median Diameter  活度中位直径

adaptive directional weighted median filtering  ADWM滤波

adaptive median filter  自适应中值滤波; 自适应中值滤波器

Adaptive median filtering  自适应中值滤波

Adaptive switching median filtering  自适应开关中值滤波

adaptive switching median filters  自适应开关中值滤波

AMAD (activity-median aerodynamic diameter)  活度中值气体动力学直径

analogical median  拟中位数

anterior median fissure  脱矿牙本质基质; 前正中裂

anterior median line  前正中线

Anterolateral median cervical approach  颈侧联合正中入路