There is an interesting and unexplained anomaly in tamarack from northern localities in west central Canada . medium-sized larch of North American Rocky Mountains ; closely related to Larix_occidentalis .

中西加拿大的北部 诸点的美国落叶松有一种有趣的难以解释的异常现象。北美 落基山一带的中型落叶松；与西部落叶松近属。

My father took Bob and me walking out through the tamarack woods and a mile beyond where we were faced with a sudden high ridge .

我父亲带着鲍勃和我步行穿过 落叶松 林地， 来到了1英里以外的地方，一 座陡峭的山 横在我们面前。

CMP from Larch ( TAMARACK ) Chemical Mechanical Polishing Technique

落叶松化学机械浆化学机械抛光（CMP）技术