By the calculation it is found that the decreasing radius is all the same for different particle radius at per unit time when the spherical sample particle is evaporated.

本文在计算恒温下蒸发球形试样粒子时，发现每单位时间蒸发缩小的半径相等。

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This paper discusses the criteria and principle for minimum radius of curve and the transition curve for railway track when running 160kin per hour.

本文研究了我国时速160公里铁路最小曲线半径与缓和曲线的设计原则和标准。

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It offers 56 megabits per second over a 30-mile radius. (The current standard is 11 megabits per second over a half-mile.) Wi-Max antennas on roofs and water towers will spring up like crazy and may begin to threaten the cable and local telephone empires.

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