人们首先想到的是某种全球统计数据，某种指标，它将对各国的经济和环境条件进行评级，并显示出两者之间的关系。
Thoughts turn first to some sort of global statistic, some indicator which would rate the wealth of nations in both economic and environmental terms and show a relationship between the two.
以at89c52为控制内核，对锁具转动的循环次数计数，实时监测锁头运转位置和触点的电气导通性以保证循环耐久性试验可靠进行，并显示循环次数。
With AT89C52, the system can count the run times of the test and display it, monitor the lock head and connector in real time to make sure of its security.
实验结果显示该方法简单有效，能实时获取各种交通信息，对车辆计数和车辆速度检测的准确率都很高，并具有满意的实时特性。
The experiment results showed that the correct rates of vehicle count and vehicle speed detection are high and the real-time performance is satisfactory.
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