Example sentences of "must be [adj] for [det] [noun] " in BNC.

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1 The speed must be correct for each fence and impulsion created as necessary .
2 For this to work , the same facilities must be available for both sexes .
3 The glass thickness may be correct for say , a 24″ tank , but two 24″ tanks become a 48″ tank and the glass thickness must be suitable for this size of aquarium .
4 Since the majority of modern machines have airbrakes which are held closed by a geometric lock , it is essential that the method of checking them must be foolproof for this kind of system .
5 This must be equal to the integral over the surface were v is the velocity and — the density ; n is the outward normal to the surface S which enclosed V. By Gauss 's theorem we may write and hence Since this must be true for any volume element we have the equation of continuity The conservation of momentum in continuum mechanics relates the rate of change of the momentum integrated over a volume V to the resultant of the forces on that volume .
6 These must be different for each LIFESPAN system .
7 Otherwise , impact scattering and condensation from impact vapour must be responsible for this uniformity .
8 The conditions that must be satisfied for such generalizations to be considered legitimate by the inductivist can be listed thus :
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