本试验采用9种不同的坪床配比，对热带亚热带运动场常用品种百慕大T-419的生物量和根系分布特征进行了研究。

This research used nine turf-bed compositions to analyze the biomass and root distribution characteristics of Bermuda T-419, a commonly used sports turf in the tropics and subtropics.

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马拉慕需要一个合理的运动量。

Malamutes need a reasonable amount of exercise.

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