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.
我的家譜得從一棵樹算起，一棵生長在加利福尼亞北部和俄勒岡州的挺拔的雪松。
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).
故可以通過選擇優良的直紋單株（優樹）建立無性系種子園，作爲良種生産的基地。
It has a fine uniform texture and straight grain.
質地細微而統一，紋路筆直。

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