穿孔的数量和位置通常是不充分平行穿孔的关键。
The number and position of the perforations is usually not critical for full parallel perforations.
观察眼睛平行运动、上眼睑与虹膜对比位置和眼震。
Observe parallel eye movement, position of upper lid in relation to iris, and presence of nystagmus.
平行于穿孔卡短边的一行穿孔位置。
A line of punch positions parallel to the shorter edges of a punch card.
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