两脚规

liǎng jiǎo guī
  • Sector;dividers;compass
两脚规两脚规
两脚规 [liǎng jiǎo guī]
  • [compass] 数学仪器,由一头用联轴节相连,上面刻着几个标度(如相等的部分,弦,正弦,正切)的两个尺子组成

两脚规[liǎng jiǎo guī]
  1. 用20倍解剖显微镜直接观察气管片,用秒表及两脚规测量墨汁运行速率,每次观察1min。

    20-time amplification anatomy microscope was used to observe the trachea directly , and the speed of ink movement was tested with stopwatch and compasses for 1 minute .