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      <author>Валерий Очков</author>
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      <author>Martin Kraska</author>
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      <header alignment="Center" color="#a9a9a9">&amp;[DATE] &amp;[TIME] - &amp;[FILENAME]</header>
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            <p>полезная нагрузка</p>
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            <p>изменение массы ракеты в полете</p>
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