Example sentences of "have both [art] [adj] [noun] " in BNC.

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1 To survive , remain active and breed in areas where there is little or no rain and no open water at all , a creature must have both a watertight skin and a watertight egg .
2 So in empty space the field can not be fixed at exactly zero , because then it would have both a precise value ( zero ) and a precise rate of change ( also zero ) .
3 The uncertainty principle says that particles can not have both a well-defined position and a well-defined velocity .
4 By extending the solution back into regions II and III , it can be seen that the approaching waves must have both an impulsive component and a step component with variable polarization .
5 The covenantee can not have both the promised performance and some other performance which he agrees to accept .
6 Pauli 's exclusion principle says that two similar particles can not exist in the same state , that is , they can not have both the same position and the same velocity , within the limits given by the uncertainty principle .
7 However , division has a fundamental advantage , which is the reason for its good performance : no two records in any single section into which the key sequence is ‘ cut ’ by division can interfere with any other in the same section , because no two different numbers can have both the same quotient and the same remainder .
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