51.   The same board of composite material will cost about twice as much.

52.   The seat is made of a composite material and is similar to the ones that are used in open-wheel cars.

53.   The team also devised high-speed flight-control computers and looked to its German partners for lightweight, high-strength composite materials for the exterior heat shield.

54.   They rely on graphite composite materials resembling fiberglass for their strength.

55.   To make them as light as possible, they are built with composite materials such as carbon fiber.

56.   U.S. officials kept guard over coveted technologies during the Cold War, routinely blocking export requests for jet engines, special composite materials and supercomputers.

57.   Wood trim permeates the boat, but composite materials such as carbon fiber, which are far lighter, form the core of this ocean speedster.

58.   Zoltek manufactures carbon fiber, a key ingredient in composite materials that are light yet strong.

59.   Owens Corning makes glass fiber and composite material.

60.   Board investigators also are looking at whether the tail fin, made of a nonmetallic composite material, had some unseen damage that weakened it.

a. + material >>共 922
nuclear 4.99%
radioactive 4.13%
building 4.10%
new 3.77%
hazardous 3.53%
genetic 2.61%
bomb-making 1.24%
explosive 1.07%
reading 1.07%
educational 1.05%
composite 0.74%
composite + n. >>共 175
index 44.37%
material 9.32%
sketch 9.22%
drawing 3.43%
picture 2.36%
portrait 2.14%
motion 1.39%
character 1.18%
part 1.07%
image 0.75%
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