According to the user's requirements for map digitization and data structure, this paper designs a "polygon-chain" combined sampling method and a sampling program.

本文从用户对地图数字化采样工艺和数据结构的需求出发，设计了“图斑——链”综合采样方法，并编写了与之相应的程序。

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The design of hardware interface circuits, setting of control parameters, some critical control code, and the flowchart of AD sampling program etc. are described in this paper.

主要包括硬件接口电路的设计、控制参数的设置以及部分关键的控制代码和实现AD采样的程序流程等。

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MCU firmware design focuses on the structure and the realization of firmware, HID class devices developing, report descriptors establishment and ADS7843 sampling program design.

单片机的固件程序设计部分主要介绍了固件的结构以及实现，HID类设备的开发及报告描述符的建立和ADS7843的采样程序设计。

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But where a Web search turns up a sampling of items, a discovery program must unearth everything.

FORBES: The Data Explosion

Even when the program office finally acknowledged in 2011 that home visits were unworkable, the requirement of the geographic sampling structure was not modified so that when investigators started recruiting in clinics, they were forced to restrict recruitment to women living in the randomly selected neighborhoods.

FORBES: What Caused A Billion Dollar Federal Study Of Child Health To Implode?