【摘要】 数学、物理、化学、天文、生物等各个学科都有不少论文论述假说对其学科发展的贡献 ,但测绘科学方面与此有关的论文则不多见。以地扁说、地壳均衡学说、最小二乘法等为例的假说在测绘科学发展中具有一定的作用和意义。更多还原

【Abstract】 There are a few papers that discuss the importance of the hypothesis in physics, chemistry, mathematics or so, but such paper about survey is little. Through three examples: Spheroidal Earth, the Isostatic Earth, the Least Squares Method, this article give a simple discussion that the hypothesis promotes the development of survey greatly.更多还原