length 2 cm 长cm
The drawing illustrates how liver tumors less than 2 cm can be treated with one ablation.
图中显示了小于2厘米的肝脏肿瘤如何通过一次消融治疗。
Prophylls ca. 2 cm long, sheathed, without blade and auricles.
先出叶仅具鞘而无叶片，长约2厘米，无叶耳。
Root cylindric, to 2 cm in diam. Caudex short, simple or rarely branched.
圆筒状的根，在2厘米直径块根短，单或很少分枝。
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