Example sentences of "have be describe and " in BNC.

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1 Of this number the great majority went unrecorded , probably even unobserved , but a very few made such an impact on human affairs that they have become significant historical events , and have been described and discussed in the minutest detail .
2 Thousands of different kinds of rocks have been described and separately named , but when one gets down to their chemistry , one finds that they all have a great deal in common .
3 The populations participating in the ECTIM study have been described and their representativity analysed in detail .
4 Probes for Hoxd-11 and Hoxd-13 have been described and were provided by D. Duboule .
5 These assumptions and the mathematical formula used to calculate the volume have been described and validated by Everson and colleagues .
6 The assumptions and the mathematical formula used to calculate gall bladder volume have been described and validated previously by Everson et al and Hopman et al .
7 Common cavity episodes have been described and evaluated in detail elsewhere , and have been shown by fluoroscopy to be due to oesophageal body distention with gas .
8 More widespread complications of sclerotherapy have been described and may be commoner than previously suspected .
9 A bewildering variety of karren have been described and the most important of these are classified and described in Table 6.6
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