切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。

Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.

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癸二酸- 二苯并-18-冠-6 共聚物在未络合时其溶液行为与通常聚合物无明显差异。

There is no remarkable differences on solution behaviors between the condensation polymers of dibenzo-18-crown-6 with sebacic acid(CEP-1 ) and common polymers when no salt present.

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癸二酸- 二苯并-18-冠-6 共聚物在未络合时其溶液行为与通常聚合物无明显差异。

There is no remarkable differences on solution behaviors between the condensation polymers of dibenzo-18-crown-6 with sebacic acid(CEP-1 ) and common polymers when no salt present.

youdao