可定向性

Directional selection in disease field is the most simple, economic, and effective method for improving cotton resistance. Both land cotton and long-staple cotton high sensitive to the fusarium disease could improve its resistance in few years by this method and the farming properties were nearly unchanged.

试验证明，在供试材料中，不论是陆地棉的高感品种还是长绒棉的高感品种，经过在重病田或病圃中定向加压筛选，都可在几年内使其抗病性得到迅速提高，并保持其农艺性状基本不变。

BMSCs can be induced into neural stem cells and further neural stem cells derived from bone marrow can differentiate into neural cells and neuroglial cells.

骨髓基质细胞能在体外诱导分化出神经干细胞，且骨髓源性神经干细胞可进一步定向分化为神经细胞及神经胶质细胞。

Further classification by age and presence of organic heart disease can help focus evaluation and treatment.

定向检查可使诊断效率提高5%，进一步区分年龄和有无器质性心脏病有助于突出评价和治疗。

Further cla ification by age and presence of organic heart disease can help focus evaluation and treatment.

定向检查可使诊断效率提高5%，进一步区分年龄和有无器质性心脏病有助于突出评价和治疗。

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。