... 单列木射线uniseriate ray 纺锤形木射线fusiform ray 交叉场cross field ...
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华山松与前红松弦切面上的木射线均呈两种状态，即单列木射线和纺锤形木射线；
Wood rays of p. armand and p. prokoraiensis on tangential section both had two shapes that was uniserial wood ray and spindle wood ray.
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