求翻译：隨機選擇1和2進行test，確認1位置膜厚最大，3位置膜厚最小，且平面和測量相差很小，考慮到使用A測量平面是效果最好的，所以定義產品的膜厚測量點為1和3是什么意思？

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Randomly select 1 and 2 to test to verify that 1 position film thick maximum, 3 position film thick minimum and flat panel and the measurement selection is small, consider to use a measurement plane is best results, so defined products of the foil thick measurement point is 1 and 3

Chooses 1 stochastically and 2 carries on test, confirmed 1 position membrane thick biggest, 3 position membranes thick smallest, also the plane and the survey difference are very small, considered uses the A plane of survey is the effect best, therefore the definition product membrane thick measuri

Randomly select 1 and 2 test, confirm 1 reset the maximum film thickness, thickness minimum 3 locations, with little difference between the plane and the measurement, consider to use a measuring plane is the best, so defining the product film thickness measuring points 1 and 3

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