specimen是什么意思

双语用例

• Two of the unfinished specimens are of quartzite.

• There seems little doubt that these specimens are the result of bipolar flaking, particularly of quartzite.

• The three largest specimens are of coarse vesicular lava.

• Most specimens have a length of 5-7 cm.

• Complete specimens are usually in the range 3-8 cm.

• Complete specimens are generally 2-3 cm long.

• Complete specimens are usually 1⁄2-3 cm long.

• We also tested protein accumulation levels in the specimens examined by western blot analysis.