优势遗传性质

According to cytology, biology, oil chemical characteristic and castor-oil plant's physical and chemical properties, it surveys both domestic and international research on the progress and development of castor-oil plant hereditary improvement, hybrid vigour utilization and comprehensive utilization.

研究立足于蓖麻遗传多样性及其植物质能的综合利用潜势，根据蓖麻雌雄同株的细胞学、生物学和油脂化学特性和毒蛋白的物化性质，综述国内外有关蓖麻生物学、遗传育种、杂种优势及综合利用的进展与研发前景。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。