• 微气象法中午蒸腾值十分接近整树容器法与热脉冲法,其误差小于2%。

    The value measured by Penman-Monteith method is very close to that measured with whole-tree potometer and that measured by heat pulse technique with errors less than 2%.

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  • 对树木液流密度在径向和方位上进行适当的整合,可较准确地计算整树和林段蒸腾。

    A proper integration of both azimuthal and radial variations in SAP flux density within a tree can be scaled for whole-tree transpiration, which can relatively accurately estimate stand transpiration.

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  • 调查结果表明,承德避署山庄及其周边地区的油松针叶大量枯黄,侧枝枯死或整树枯死是由于松大蚜的严重危害所致。

    The result showed that the yellow and withered pine needles of Pinus tabulaeformis were caused by the serious damage of Cinara pinitabulaeformis Zhang et Zhang.

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  • 为进一步完善整和图理论,采用顺序标号法给出龙虾树的一种整和标号。

    This paper is an attempt to further improve the theory, of integral sum graph by introducing an integral sum labeling of the lobster tree through sequential labeling method.

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  • 为进一步完善整和图理论,采用顺序标号法给出龙虾树的一种整和标号。

    This paper is an attempt to further improve the theory, of integral sum graph by introducing an integral sum labeling of the lobster tree through sequential labeling method.

    youdao

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