Example sentences of "have [been] [vb pp] from [noun] of " in BNC.

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1 About 4000 meteorite fragments have been collected from expanses of bare ice measuring about 4000 sq .
2 Mercurian surface temperatures have been determined from observations of thermal radiation from the planet 's surface .
3 How these effects have been unravelled from measurements of the arrival times of the pulsar pulses is recounted in Section 8.6 .
4 Too many assumptions about bureaucratic behaviour have been derived from observations of a single organization and specific time periods : Niskanen and the US Department of Defence ; Tullock and departments of foreign affairs ; ‘ Leviathan ’ models of the 1965–75 growth years , and so on .
5 Non-brecchia rocks have been produced by impact-disruption of large sheets of various highland rocks and of mare basalts , and brecchias have been produced from fragments of these rocks .
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