【摘要】 测绘事业的发展，在很大程度上取决于测绘仪器的更新换代。本文通过理论分析、实际测试和质量调查，探讨了大地测量仪器的发展特点，科学地论证了我国大地测量仪器的产品质量与世界名优产品质量的差距越来越小的现实。更多还原

【Abstract】 The development of surveying and mapping engineering depends on the development of the surveying and mapping instruments.The developing process of the surveying and mapping instruments is analysed in this paper.On the basis of the quality test and investigation of the sur-vcying and mapping instruments,the author concludes that the difference of the surveying and mapping instruments quality between our country and the world has been diminishing.更多还原