评价培育林分的质量有哪几个指标?
参考答案:
评价培育林分的质量有以下几个指标:第一,要求成活;第二,要求功能效益最大发挥;第三,要求效益最高;第四,要求稳定。
She saw light in the _____ and realized that there was a village _____. [ ]
A. sky; far
B. way ; far
C. distance; nearby
D. place; nearby
唾液淀粉酶能将淀粉初步分解成麦芽糖.______.