double edge notched specimen

例句：

1. 1.This double edge notched specimen is a valuable tool for studying the behavior of animals in the wild.
   这个双刃尖凿孔标本是研究野生动物野外行为的一个宝贵工具。
2. 2.The researcher collected this specimen to study its potential as a new drug candidate.
   研究员收集了这个标本，以研究其作为新药物候选的可能性。
3. 3. The museum has an extensive collection of double edge notched specimens, which are on display in the main hall.
   博物馆拥有丰富的双刃尖凿孔标本收藏，这些标本陈列在主厅中。