minimum bid拍卖底价; 标底minimumadj.最少的；最低程度的n.最低限度；最小量Minimum - flow微流量minimum security最低警戒度minimum entities最小实体minimum morpheme最小字素minimum aadibile[医] [最小]听阈Minimum value.最低值。minimum wage law最低工资法minimum span tree最小生成树minimum cos paths最短路径minimum mortality最小死亡率

1. A cyclone in the tropics is caused by a smaller area of low pressure.
   热带暴风是由小面积低压引起的。
2. An air craft which can take off and land vertically in a small area without the need for runways.The propellers is installed in the top of the helicopter, circumrotate flatly.
   能直升直落及在空中停留的航空器，螺旋桨装在机身的上部，作水平方向旋转，可在小面积场地起落。