in n the absence of 缺乏 ; 在缺乏…的情况下
absence n
没有n
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The system is based on the spread of the primary tumor (t), the extent of lymph node involvement (n), and the presence or absence of metastases (m).
系统包括三个部分：原发肿瘤的扩散程度(t)；淋巴结的转移程度(N)和是否有了其他器官的转移(M)。
youdao
They say they do not think Iran will engage seriously in the absence of what would be a fourth round of sanctions by the U.N.Security Council.
VOA: standard.2010.05.14
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