名词
中文翻译：Unknown
同义词：
['d-set', 'd-class']
例句：
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1.The team is divided into d-groups for training purposes.
为了训练目的，该团队被分成了d组。
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2.The d-group members are responsible for the daily operations of the company.
d组成员负责公司的日常运营。
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3. The d-group has been selected as the representative for the conference.
d组被选为会议的代表。