名词
中文翻译：未定名
同义词：
['unknown', 'uncertain']
例句：
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1. The MDS is still being developed.
MDS仍在开发中。
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2. The results of the experiment are still unknown.
实验的结果仍然是未知的。
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3. The decision was made based on incomplete information, which is still uncertain.
这个决定是基于不完全的信息做出的，这仍然不确定。