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近中区重力地改值计算,是一项繁杂的工作。本文在充分利用TI-59型程序计算器内存的基础上,设计了由六十八个直立扇形柱块组成六个环带,进行双重嵌套、多重循环的计算程序。程序采用一次输入、系统运算、中间显示与自动打印的方案,大幅度的简化了近中区圆域地改的计算工作。为了便于掌握,文中除绘出了计算公式、程序框图及使用方法外,并附有算例。
The calculation of the value of gravity in the vicinity of Central China is a complicated task. Based on the full use of memory of TI-59 program calculator, this paper designs a calculation program composed of sixty-eight vertical fan-shaped column blocks with six nested loops for double nested and multiple cycles. The program uses one-time input, system operations, intermediate display and automatic printing program, greatly simplifying the calculation of the land near the middle of the area of change. In order to facilitate the mastery, the text in addition to draw the formula, the block diagram and the use of methods, with examples.