grain pattern

基本解释

The results indicated that after hot-rolled at 420 ℃, the grain pattern was the fibre structure which along the rolling direction.
结果表明：通过420 ℃的热轧制，晶粒形貌为沿轧制方向拉长的细长纤维组织；
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In order to maintain such a system works well, we must ensure that cows are free to graze, while the large area of grassland on the free walk, rather than relying on forage and grain pattern.
为保持这样一个系统运转良好，必须要保证奶牛可以随意吃草，同时可以在大面积的草场上自由漫步，而不仅仅依靠草料和谷物的模式。
At times, it could be argued that people will request a grain pattern over and above the actual strength of a shaft, causing them to choose a shaft purely based on appearance, which can be a mistake.
人们对纹路的要求超过对杆力的要求时常会引起争论，因为他们完全单纯地靠前肢的外观来选杆，这是错误的。
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Birds-eye figure is (surprise) a grain pattern reminiscent of hundreds of small bird's eyes scattered across the face of a board or veneer.
NPR: Excerpt: 'A Splintered History Of Wood'