Kohler argues that pinon was disappearing from the locale of settlements and that this put an additional nutritional strain on the population, which used nuts from the tree as well as its wood.
"科勒认为，矮松正在从居住地消失，这让当地居民面临更严重的营养问题，因为他们食用矮松的坚果，并以矮松作为木料。
You know the guy who developed the premier cold-hardy strain of peach tree.
你知道是谁培育出最早的耐寒桃树。
They used this and other HIV-1 genetic sequences to construct a family tree of the origin of the viral strain and to estimate the time of origin of HIV-1 group m.
他们利用这个遗传序列与其他HIV - 1的遗传序列构建出起源病毒株的家系图，并以此估算出HIV - 1 M组的起源时间。
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