例句與造句

1. :The problem is that flapping flight depends on " wing loading "-how many kilograms of weight is there per square meter of wing area?
2. The sternum ( breastbone ) was relatively broad and had a low flapping flight; the same would have been true for " Archaeopteryx ".
3. In flight, this species resembles an eagle more than a typical vulture, and it can sustain flapping flight, so it does not depend on thermals.
4. That helps a lot of these problems because you only need large enough wing area-you don't have to cope with the musculature and skeletal issues of true flapping flight.
5. The bats have a relatively slow, flapping flight, and often circle in an attempt to gain height, but are also, unlike nocturnal bats, capable of soaring on air thermals.
6. It's difficult to find flapping flight in a sentence. 用flapping flight造句挺難的
7. A male attracts a female to his territory through song and a display involving raising the black crown feathers, fluffing the tail, slow wingbeats, and a short flapping flight.
8. But " Archaeopteryx " lacked the shoulder mechanism by which modern birds'wings produce swift, powerful upstrokes; this may mean that it and other early birds were incapable of flapping flight and could only glide.
9. Their adaptation to gliding flight makes them dependent on wind and waves, however, as their long wings are ill-suited to powered flight and most species lack the muscles and energy to undertake sustained flapping flight.
10. The team said the findings were important for understanding how ancestors of birds, widely thought to be dinosaurs, " first learned to glide by taking advantage of gravity before flapping flight was acquired in birds ."
11. Although the DeLaurier team is considered by many to have the best shot at becoming the first to demonstrate manned, flapping flight, there remain many obstacles, such as dealing with the wild heaving the craft must endure.
12. Not being well-adapted to flapping flight, " Sapeornis " probably was a glider and / or soarer that preferred more open country compared to the Enantiornithes and predominantly woodland birds, although it was able to perch on branches.
13. On the other hand, its shoulder girdle was apparently ill-adapted to flapping flight and its furcula was unusual, with a hypocleidum similar to more advanced avialans but a general anatomy even more primitive than in " Archaeopteryx ".
14. In their report published today the Chinese discoverers make no extravagant claims, but merely suggest that these " ancestors of birds first learned to glide by taking advantage of gravity before flapping flight was acquired in birds ."
15. Unwin and Bakhurina found long, rigid fibers in the outer sections of the pterosaur's wing, the part that needs stiffness in flapping flight, and thin, curly fibers closer to the animal's body, where more flexibility would have been needed.
16. Seen from a distance, they are generally dark coloured birds with pale primaries which are quite visible in their peculiar flight which has been described as a true flapping flight with little gliding that one associates with Galliform birds.
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