相比之下，大型斑马依靠大量的低质量茎材料为生。
By contrast, the large zebra lives on the masses of low-quality stem material.
有时，设备的失灵是因为尽管设计是好的，但却不当地使用低质量的材料来进行生产。
Sometimes devices fail because a good design is constructed with low-quality materials incompetently applied.
现在，这个照相机还只能照出低质量的图像，也不能处理表面由若干不同材料组成的物体。
At the moment the camera can produce only low-quality images, and cannot cope with objects that have several sorts of surface material.
应用推荐