cylinder recording的意思|示意

On May 1, the cylinder was found on the ocean floor nearby; and on May 3 the other black box's cylinder, which contains the cockpit voice recording, was also located and recovered.

5月1日，黑匣子在海底附近被发现；5月3日，另一个装有黑匣子的圆筒被定位并打捞，这个黑匣子内有驾驶舱内声音的录音。

With a jolt, he realized that while the Science Museum correspondence confirmed that Plummer had rejected a wax recording, he had acquired the Morses' solitary example of a Graphophone cylinder.

大惊之下，他意识到，虽然科学博物馆的信件证实布拉默拒绝了一个蜡质圆筒，却收下了莫尔斯家那个唯一的留声机圆筒。