countdown

Here we used reverse accumulated temperature methods to estimate postmortem interval and made accordant result with their true time.

本文对蝇蛆和蛹应用倒计积温的方法进行死亡时间推断,获得与实际死亡时间一致的结果。

Design of Olympic Games countdown plates based on AT89S52;

基于AT89S52的奥运倒计时牌的设计

This system has traffic light showing function,clock showing function and time count-down showing function.

该系统具有红绿灯显示功能、时钟显示功能及时间倒计时显示功能。

This paper introduces a design of second countdown timer by using micro-controller AT89C2501 as well as the methods of designing its hardware circuit,connector and software circuit.

　本文介绍了一种利用单片机AT89C2051设计的秒倒计时器,具体介绍了硬件的电路设计、接口技术和软件的设计方法。

The Design of Reverse Timer in Visual FoxPro;

VFP中倒计时器的设计