Monday, September 12, 2022
Wednesday, September 14, 2022
Monday, September 12, 2022
问题:收集自然情况资料如气象,水文等资料是造林施工设计工作的()阶段。...
Monday, September 12, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Tuesday, April 4, 2023
Monday, September 12, 2022
Saturday, September 30, 2023
问题:营造用材林的主要目的是生产各种木材,包括()。A、大径材B、小径材C、中径材D、竹材...
Sunday, February 12, 2023
Monday, September 12, 2022
问题:我国1985年制定的《森林法》中,把林种划分为()、()、()、...
Sunday, September 11, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Saturday, September 30, 2023
问题:针叶树裸根苗造林,苗木最主要的保护和处理措施是()...
Wednesday, September 14, 2022
问题:苗木抽样调查质量精度是()。A、80%B、85%C、90%D、95%...
Monday, February 27, 2023
Wednesday, September 14, 2022
问题:杨树为单性花,雌雄(),风媒授粉,多数品种互相授粉的亲合力很强。...
Friday, June 16, 2023
Wednesday, September 14, 2022