... 集 TESA 25 年的研发经验 , 推出极高性价比的测高仪TESA-HITE 400/700 测量范围/ Measuring span 应用范围/ Application range ...
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The probe is based on an incremental glass scale insuring the best dimensional accuracy over the whole measuring span.
探头以增量光栅为基础，确保在整个测量范围中最好的空间精度。
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。
Our life is a brief span measuring some seventy or eighty years in all.
人生短暂，总共不过七八十年。
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