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- forestry biological hazards 林业生物灾害
- Numerous potential biological hazards are associated with the importation of propagative material in growing media. 生长介质中的繁殖材料的进口引起的潜在生物危害不胜枚举。
- The activity, decay heat, biological hazard potential (BHP) and waste disposal rating (WDR) are calculated. The calculation results and decay curves are also given. 计算了在停堆时刻的放射性,衰变功率,BHP以及核废物处置指标WDR,给出了有关的计算结果和停堆后的衰减曲线。
- All evidences indicate that the lava flow, tephra, ash and toxic gases of the volcanic activities are the main factors that caused the biological hazard and the fossil preservation of "Jehol Biota" in Sihetun and the adjacent area. 种种迹象表明 ,四合屯及其周边地区的义县组火山活动所产生的熔岩流和有毒、有害气体以及频繁爆发的火山灰等是造成热河生物群灾难事件并使其得以保存的主要因素
- Biological hazard potential (BHP) 潜在生物危害因子
- biological hazard in laboratories 试验室中对生物体的危害性
- Forestry appertains to geography. 森林学和地理学有关。
- Evaluation tests of composite chitosan artificial skin for biological hazards 复合壳多糖人工皮肤生物安全性研究
- Very little forestry is left unexplored nowadays. 如今尚未开采的森林是少之又少了。
- The covering of forestry in our town is 60 percent. 我们镇的森林覆盖率是百分之六十。
- As to the author of the book, I will hazard a guess. 关於这本书的作者,我来试猜一下。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Forestry has advanced with exceptional speed. 植树造林以罕见的速度得到了发展。
- A soldier's life is full of hazards. 士兵的生活充满了危险。
- The car had its hazard warning lights on. 这辆汽车亮起了危险信号灯。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- Wet roads are a hazard to drivers. 道路湿滑会对司机构成危险。
- If I might hazard a guess, I'd say she was about30. 要是让我猜的话,我说她大概。
- Smoking is a serious health hazard. 吸烟严重危及健康。
- The racer meant to win the500-mile race at all hazards. 这位竞赛者决心不顾一切危险,赢得这场500英里的车赛。