test for near and distance
... Supporting body 支架 test for near and distance 目力标定 The minus value of fine focus knob微调最小刻度 ...
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... Optometry 验光，目力标定 optometry 目力标定 optometry system 光学体系 ...
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短语
目标制定力
Objectives Preparation Skills
能力目标定向
ability goal orientation