Especially, it sets up a global counter that counts the number of active event handlers as well as a variable that holds the results of the event handlers in a list.

尤其是，它将设置一个全局计数器，以对处于活动状态的事件处理程序进行计数；另外，还要设置一个变量，以在列表中保存事件处理程序的结果。

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Once that’s done, decrement the global counter that counts the number of active event handler instances.

完成此任务后，对全局计数器进行递减操作（该计数器对活动事件处理程序实例进行计数）。

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Capsaicin is the active ingredient in many prescription and over-the-counter creams, ointments, and patches for arthritis and muscle pain.

辣椒素是许多处方药和非处方药乳膏、软膏中的活性成份，是关节炎和肌肉酸痛的辅助成份。

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New financial players, like South Africa's Nufcor Group and Evolution Markets, a New York-based over the counter brokerage firm, have become active in uranium contracts in the last couple of years, while deep-pocketed investors have financed new uranium exploration operations.

FORBES: Magazine Article

The counter argument is that the cost of active defense is insignificant compared to the value of the intellectual property and corporate data it helps protect.

FORBES: Caution: Active Response to Cyber Attacks Has High Risk

Naproxen, the active ingredient in over-the-counter Aleve, has come out of these trials smelling like a rose as far as heart safety is concerned.

FORBES: Can Vioxx Rivals Take The Pressure?