刻度和游标都装有微动调整和锁紧装置，进行精细调节。
Both the graduated circle and vernier are equipped with fine adjusting screws and locking device so as to achieve fine adjustment.
精细调节开关点和开关即使在较高的模范再现范围的差异。
Finely adjustable switching points and switching differences even in the higher ranges with exemplary reproducibility.
这两种习惯用法都很重要，前者用于按比例调节图像；后者用于精细调节图像形状。
It is important that both these idioms are available, as the former is necessary to scale the image in proportion, whereas the latter is necessary to fine-tune the shape.
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