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撰写本文的目的在于提高测量者的测量素质。一、瞄准精度瞄准精度是指测量者通过肉眼视觉使测微计活动分划板的刻线与正方形压痕对准的程度。据分划板刻线形式的不同,对压痕瞄准的部位不同,图1为常见分划板刻线形式。按分划板刻线形式,瞄准方式有两种: 1.尖端瞄准式[如图1(a)、(b)、(c)、(d)所示]:刻线对压痕的尖端瞄准。 2.棱边瞄准式[见图1(e)、(f)、
The purpose of writing this article is to improve the measurement quality of the surveyor. First, the aiming accuracy Aiming accuracy refers to the measurer through the naked eye to make micrometer activity reticle engraving and square indent alignment. According to the reticle engraved line of different forms, aimed at the site of indentation is different, Figure 1 is a common reticle engraved form. According to reticle reticle form, there are two kinds of aiming methods: 1. Apex sight [as shown in Fig.1 (a), (b), (c), (d)]: The reticle aiming at the tip of the indentation. 2. Edge aiming [see Figure 1 (e), (f),