The gravel content has more close relation with position and elevation and soil thickness of ground.

含碎石剖面碎石体积含量随土层深度增加有变大的趋势。

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These characteristics of cold typical wheat have a close relation to the metabolic function, which is more excellent in functional period of leaves, MDA content and net photosynthetic rate, etc.

上述特点和其代谢功能有着密不可分的关系，冷型小麦在叶片功能期、丙二醛含量和净光合速率等方面均较优越。

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The relation between the physiological indexes determined and the growth of height and diameter is very close, and their relative coefficients are all more than 0.834 and 0.850.

测定的各项生理指标与落羽杉高、径生长量之间的相关系数分别达0.834和0.850以上，说明这些指标与高、径生长量之间关系密切。

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In real terms house prices in America, Britain and Australia have risen more rapidly in recent years than during the late 1980s house-price boom, leaving prices close to record highs in relation to both rents and household incomes.

ECONOMIST: Economics focus