B-PERMIT 居留证
permit b
许可证b
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Furthermore, the United States has yet to identify a non-radar technology capable of providing the necessary data to permit reliable interception of the B-2.
CENTERFORSECURITYPOLICY: Roundtable Discussion On The B-2 Bomber
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