地理位置和海拔高度是水汽压空间分布的主要影响因子。
Geographical situation and sea level elevation are the main influencing factors to the spatial distribution of water vapor press.
竹笋产量主要影响因子是丛立竹数和立竹胸径，决定出笋数量和笋个体质量。
The key factors affecting the yield of shoot were the quantity and DBH of living culm, which determined the quantity and quality of shoot.
多年田间系统观察表明，柑橘溃疡病的消长，在春梢期，主要影响因子为气温。
The systemic observation in the field for many years showed that temperature was the main factor affecting the dynamics of citrus canker in the stage of spring sprouting.
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