Based on the model, direct search method is presented which can save the computing space and CPU occupation time, enhance the efficiency of decision rules generation.

基于数学模型，提出直接搜索的转换方法，节省了运算空间，降低了算法的时间复杂性，提高了规则生成的效率。

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The occupation time in a cone in the positive quadrant for a standard two-dimensional Brownian motion is studied, and its first and second moments are given explicitly.

考虑标准二维布朗运动在正象限锥形区域的占有时，得到其一阶矩和二阶矩的表达式。

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The calculated result shows that runway occupation time and separation time standard influence greatly runway landing capacity and the effects of the other parameters are relatively small.

计算结果表明，跑道占用时间和间距标准对着陆容量的影响最大，其它参数的影响则相对较小。

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Hardly anyone with an occupation has the time or the inclination to keep close tabs on his or her personal finances.

FORBES: Watch Your Assets

It's a full time occupation.

BBC: NEWS | UK | Education | Hands up for Saturday school

For much of the time since allied occupation ended in 1955, Austrians have had a high standard of living without extremes of rich or poor.

ECONOMIST: Austria since Hitler