1·The forest fuel moisture is one of the main indexes for the forest fire danger forecast.
森林可燃物含水率是森林火险预报中的主要指标之一。
2·The statement of 'there is high forest fire danger meteorological grade' is not accurate or concise, nor up to the spoken style of the weather forecast program.
“有高森林火险气象等级”的表述有欠严密、简练，也不符合天气预报节目口语化的表述风格，文章分析了其中的原因并提出了合理可行的建议。
3·Five fire danger ratings of fuel types were classified on the basis of initial ignition moisture.
以各可燃物类型的初始引燃含水率为基准，将各可燃物类型的火险等级划分为五级。
4·The grassland fire danger classes can be conveniently searched through the quick search table on the search ruler;
可以通过查算尺上的快速查算表很方便的查出草原的火险等级。