月光沐浴缅因州阿拉加什河的桦皮独木舟，这里是划桨者的宁静场所。
Moonlight bathes a birchbark canoe on Maine's Allagash River, a tranquil spot for paddlers.
月光沐浴缅因州阿拉加什河的桦皮独木舟，这里是划桨者的宁静场所。
Moonlight bathes a birchbark canoe on Maine's Allagash River a tranquil spot for paddlers.
结果还表明在每年的这个时间，在夏天的时候，纸皮桦给花旗松送的碳比花旗松反送给它的要多，特别是当花旗松见不到阳光的时候。
It turns out at that time of the year, in the summer, that birch was sending more carbon to fir than fir was sending back to birch, especially when the fir was shaded.
美国西部的一种桦树，类似于纸皮桦，但是树皮棕色。
Birch of western United States resembling the paper birch but having brownish bark.
纸皮桦和花旗松到底是怎么交流的呢？
经实测资料验证，笔者提出的模型在拟合光皮桦种群自然稀疏过程中，均具有较高的可信度。
According to the verified data, the model presented in this paper characterizes its higher credibility in the process of natural thinning of Betla Luminifera population.
经实测资料验证，笔者提出的模型在拟合光皮桦种群自然稀疏过程中，均具有较高的可信度。
According to the verified data, the model presented in this paper characterizes its higher credibility in the process of natural thinning of Betla Luminifera population.
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