Example sentences of "an [noun] [prep] [noun] over [noun sg] " in BNC.

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1 Another trial in 97 patients showed an advantage for surgery over radiotherapy in forestalling the appearance of distant metastases over five years .
2 ( One might subtract the perception of the past from the perception of the future and smooth that once more as an index of optimism over time . )
3 However , in addition to providing information about the child , an indication of change over time may also be helpful in evaluating the success of previous attempts at remedial intervention .
4 For thousands of years , poor drainage and an excess of rainfall over evapo-transpiration has favoured sphagnum peat growth .
5 There is thus now an excess of supply over demand which augurs badly for the UK as its North Sea oil is relatively expensive to produce and this has put certain marginal oil fields out of production .
6 What was detested was an excess of form over content , the gratuitous flamboyance of tail-fins on cars , extravagant use of cloth in clothing .
7 Measurements reveal a pronounced seasonal range in concentration at Mauna Loa of about 6–7 ppm , which reflects an excess of photosynthesis over respiration during the spring and summer , and the reverse during the autumn and winter .
8 If , as seemed likely , one cause of unemployment was an excess of savings over investment , the equalisation of decisions to save and decisions to invest could be brought about by Labour 's plans for progressive taxation which would redistribute income to the poorer sections of society .
9 But in keeping with the healing theme of the new album , ‘ Natural Beauty ’ is an ode to preservation over annihilation and extinction .
10 The Prime Minister has rejected an offer of talks over peace in Northern Ireland with the Sinn Fein leader , Gerry Adams .
11 We shall create an awareness of change over time , preserve an awareness of context and prepare a critique of the nature of sources .
12 Discussions of local government reorganisation in Wales were not conducted in an atmosphere of concern over population growth — quite the contrary .
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