杜松根系观察及切根试验的研究。
Observation on Roots and Experiment on Root Cutting for Juniper.
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.
墓内的僧人和外界的一切联系只有一根输气管和一个铃铛，每天僧人都会摇铃使外面人知其还活着。
His only connection to the outside world was an air tube and a bell. Each day he rang a bell to let those outside know that he was still alive.
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