Occurrence quantity of Sogatella furcifera were forecasted by this method in 1993. It coincided completely with prognoses and occurrences.
对1993年虫情作出预报，预报结果与发生实况完全相符。
Finally, the article put the metabolic trend of the difference of limit return rate of quantity and labor to undertake the abecedarian explains to occurrence capital.
最后，本文对出现的资本存量和劳动的边际回报率差异的变化趋势进行了初步的解释。
The objective of epidemiology study is to search aetiology, and to measure its causal effect in the light of quantity, thereby prevent from the occurrence of disease.
流行病学研究的目的是寻找疾病的病因，并对其产生的因果效应进行定量测量，进而预防疾病的发生。
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