Example sentences of "[to-vb] with the naked eye " in BNC.

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1 The fourth wall was constructed of rows of teak slats , incorporated into which were two seamless sliding doors , impossible to detect with the naked eye and only capable of being activated by miniature sonic transmitters .
2 And their small size enables tiny arthropods , some almost too small to see with the naked eye , to live in crannies , within the soil , between sand grains , and the like .
3 The whiskers were too small to see with the naked eye and nobody could possibly make a testing machine on that scale .
4 This behaviour is almost too quick to see with the naked eye .
5 Unfortunately it is a very barren group , and when I first went to the southern hemisphere I had difficulty in identifying the pole star , Sigma Octantis , which is only of magnitude 5.5 , and is none too easy to see with the naked eye unless the sky is really dark and clear .
6 Some protistans are just large enough to see with the naked eye .
7 Images that fill the corridor , packed with images too small to see with the naked eye .
8 Hosts : Ruminants , horses , pigs , rabbits and fowl Site : Small intestine except T. axei and T. tenuis Species : Trichostrongylus axei abomasum of ruminants and stomach of horses and pigs T. colubriformis ruminants T. vitrinus } sheep and goats T. capricola } T. retortaeformis rabbits T. tenuis small intestine and caeca of game birds There are a number of other species of ruminants with more local distribution and importance such as T. rugatus , T. falculatus , T. probolurus and T. longispicularis Distribution : Worldwide Gross : The adults are small and hair-like , usually less than 7.0 mm long and difficult to see with the naked eye .
9 Host : Domestic dog and wild carnivores Site : Lung parenchyma Species : Filaroides milksi F. hirthi Distribution : North America , Europe and Japan The worms are very small , slender , hair-like and greyish , and are not only difficult to see with the naked eye in the lung parenchyma , but are unlikely to be recovered intact from the tissue .
10 Hosts : Sheep and goats Intermediate hosts : Molluscs : Muellerious in snails and slugs ; Protostrongylus in snails Genera and sites : Muellerius capillaris found in alveoli Protostrongylus many species , found in small bronchioles Minor related genera are Cystocaulus , Spiculocaulus and Neostrongylus Distribution : Worldwide except for arctic and subarctic regions These are brown hair-like worms 1.0-3.0 cm long which are difficult to discern with the naked eye as they are embedded in lung tissue .
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