duplexes

核心释义

1. 1.

   一种由数字销印和显示时间、日期及邮寄地点的第二标记组合而成的销印

   A cancellation combining a numerical cancellation with a second mark showing time, date, and place of posting.

2. 2.

   用一只手同时抛出两个球的投掷动作

   A throwing motion where two balls are thrown with one hand at the same time.

3. 3.

   双链多核苷酸

   A double-stranded polynucleotide.

4. 4.

   由顶部逆冲断层和底部逆冲断层限定的多条逆冲断层系统

   A system of multiple thrust faults bounded above and below by a roof thrust and floor thrust.

用一只手同时抛出两个球的投掷动作；双链多核苷酸；由顶部逆冲断层和底部逆冲断层限定的多条逆冲断层系统