Historical data from North China over the period 1480-1980 is analyzed in terms of interval and counting properties.

本文借助点过程的区间性质和计数性质对从1480年到1980年间中国北部的地震历史资料进行统计分析。

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This detector is a kind of photon counting imaging detectors, which has some properties such as high gain, small distortion and high resolution.

该探测器属于光子计数成像探测器，具有增益高、图像畸变小、分辨率高等优点。

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Fractal properties of ultrasonic signal are researched based on normalized scale box-counting dimension method successfully.

基于归一化尺度计盒维数方法研究了超声波分形特征。

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They don't want to hold these properties , so they're just counting these properties and getting them into the second homeowner's hands.

NPR: Is Housing Market Squeezing Out the Middle Class?

If you stay in the house for 15 days or more, not counting days you're really working on the properties, and for more than 10% of the total days it is in use, it becomes a mixed-use property instead of a pure investment property.

FORBES: Second-Home Safety