求翻译：厚度测试方法：使用千分尺测量极片横向左、中、右三点厚度，中间点位置可测量面密度取样样品（头尾削薄处符合工艺要求）是什么意思？

Thickness test methods: using a micrometer to measure the pole piece horizontal left and right three-point thickness, the intermediate position to measure the areal density of sampling sample (head and tail thinning Department meet the technical requirements)

Thickness test method: Use a micrometer 1000 horizontal pole piece left, center, and right in the middle 3 point thickness can be measured point samples (sampling density for the tail, cut thin meet process requirements)

Thickness test method: The use micrometer survey pole piece towards left, the right three thickness, the intermediate point position measurable quantity areal recording density sample sample (from beginning to end thin cuts horizontally place conforms to technological requirement)

Test method for thickness: use micrometers to measure film thickness of three point cross to the left, Center, right, middle dot position measuring areal density sampling sample (head thinned meets process requirements)

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