吸收段石墨块的孔内设有喇叭口(24)。
A horn mouth (24) is arranged in the hole of a graphite block of an absorption section.
实验研究了爆轰波在声学吸收段下游发生的再恢复过程。
An experimental investigation is presented concerning the re-intension process of a detonation wave occurring downstream of the acoustic absorbing walled section in this paper.
要想让森林成为有价值的“碳汇”并一直持续到未来很长一段时间，就需要降低它们现在吸收碳的能力。
Helping forests flourish as valuable "carbon sinks" long into the future may require reducing their capacity to absorb carbon now.
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