[译] 火箭发射场是绝密的军事设施。
[误] The rocket launching site is an absolute-secret military installation.

[正] The rocket launching site is a top-secret military installation.
[注] 英语常用 top-secret 与 most confidential 来表示"绝密"，又如：This document is top-secret. 这份文件是绝密的。