Example sentences of "at about [adj] metres " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Sound travels at about 340 metres per second in air . |
| 2 | Where exposure is severe due to wind-funnelling in cols at about 200 metres elevation , subalpine podzols occupy the crests of the moraine hummocks . |
| 3 | The velocity of conduction varies somewhat ; in the giant axons of Periplaneta it occurs at about 7 metres per second , while in the afferent nerves from the paraprocts of Anax nymphs it is about 2 m -I ( see , for example , Chapman and Pankhurst , 1967 ) . |
| 4 | Most drains and sewers perform their task by gravity flow , and to ensure that the pipes are self-cleansing they should flow at about 1.5 metres per second . |
| 5 | The first attempt on the buttress was delayed for two days because of bad weather , and it took a total of five days to climb the feature , which included a band of loose rock at the base , and reconnoitre the south ridge to the start of a large rock pillar at about 5,900 metres . |
| 6 | Roughly speaking , the quality is determined by location in the vineyard , which can be divided into bands : the most northerly band , elevated at a height of between 180 and 220 metres , comprises some of the finest grand cru slopes in all Champagne and represents about a third of Bouzy 's hectarage ; below this is a wide strip situated at a height of between 160 and 180 metres which , in my estimation , should hold the rank of a top premier cru ; the lowest band , at about 170 metres , runs around the flat northern edge of the village and produces vines of a markedly inferior quality . |
| 7 | As these change with depth , at about 1500 metres , these factors combine to form a channel of water which acts like a voice tube . |
| 8 | I maintained my height over this , diving the extra off , rounded out and touched down at about 250 metres into the field . |
| 9 | Martinho and I were separated , then put back to back at about twenty metres , very much like pistol duellists from the old time . |