For expansion measurements, a probe rests on a sample on a stage with minimal downward pressure.
对于膨胀测量，通常是一个探测器依靠在一个样品上对其施加一个最小的向下的力。
The expansion of the downward main wave scope and the left axis deviation proved to have the same cause.
引起主波向下范围扩大与导致电轴左偏的病因基本相同。
The expansion of the downward main wave scope and the left axis deviation proved to have the same cause.
引起主波向下范围扩大与导致电轴左偏的病因基本相同。
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