| 释义 |
Tree number
基本例句
株数
Mortality is the number or volume of trees periodically rendered unusable through natural causes.枯损是一类由于自然原因而定期变得无用的林木株数或材积。
Virus spread within a field depends on the number of virus sources, the number of healthy plants.田内病毒传播依据病毒源数目，健株数。 |