也有其不利的因子，如土地质量差、气候高寒、劳动力素质差、经济基础弱等。
It has also many disadvantageous factors such as poor land quality, frigid climate, low quality of rural Labour force, undeveloped infrastructure, etc.
岩石颗粒最小粒径与颗粒半径比均对断裂强度因子有不利影响，且颗粒半径比的影响较大。
Besides, minimum radius and radius ratio of particle, especially the latter, have adverse effects on fracture strength factors of rock.
包括该转录因子基因的转基因植物对如水胁迫和高盐的不利环境条件具有耐受性和抗性。
The transgenic plants comprising the transcription factor gene are tolerant and resistant to harmful environmental conditions such as water stress and high salinity.
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