The surface ratio of conus to disc was calculated using a planimeter.
我们使用面积计测量圆锥与视神经盘表面比值。
This paper presents a design for bit error ratio tester of DVD mother disc using FPGA.
本文提出了一种利用FPGA来实现DVD光盘母盘误码率检测的仪器设计。
Red blood cell with a biconcave disc shape is to provide a large surface area to volume ratio to facilitate the diffusion of gases.
红血球的双凹面圆盘形可以增加它的表面积，以利气体的扩散。
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