Studies are conducted on melting snow and keeping green by electric cable heating system on Beijing sports turf in winter, grass seed selection, and turf soil temperature field.
本文对北京地区草坪冬季电缆电热融雪保绿问题，草种的选择及土壤温度场进行研究，旨在对北京地区草坪电缆加热系统进行优化设计。
But the key of planting Protection is the selection of grass seed and Sowing method.
而植草防护成败的关键是草种、播种期及播种方法的选择。
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