straight grain

基本解释

My family tree begins with what in fact is a tree, a cedar of straight grain that grows in Northern California and Oregon.
我的家谱得从一棵树算起，一棵生长在加利福尼亚北部和俄勒冈州的挺拔的雪松。
So it is possible to establish clonal seed orchard as the base of high quality seed production through selecting elite straight grain individual plant (superior tree).
故可以通过选择优良的直纹单株（优树）建立无性系种子园，作为良种生产的基地。
It has a fine uniform texture and straight grain.
质地细微而统一，纹路笔直。

When that tree is sawn into boards, those growth rings produce grain and figure that's straight, consistent and predictable.
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