A、<strong><span style="font-size:14px;font-family:宋体">比</span><span style="font-size:14px;font-family:'Times New Roman','serif'">0</span><span style="font-size:14px;font-family:宋体">稍大一点的一个数</span></strong>
B、<strong><span style="font-size:14px;font-family:宋体">一个很小很小的数</span></strong>
C、<strong><span style="font-size:14px;font-family:宋体">以</span><span style="font-size:14px;font-family:'Times New Roman','serif'">0</span><span style="font-size:14px;font-family:宋体">为极限的一个变量</span></strong>
D、<strong><span style="font-size:14px;font-family:宋体">数</span><span style="font-size:14px;font-family:'Times New Roman','serif'">0</span></strong>
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