...内, 选择地势较为平坦、 植被类型典型、受人为干扰较小的地段为试验样地, 在样地内选择不同径级的红松为对象木( objective tree) , 每木检尺, 测量对象木的胸高直径、树高、活枝下高和冠幅、林下郁闭度等测树因子, 并分别编号.
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objective tree of evaluation 方案评价目标树
After the objective tree forms, the close region divides in together, forms the target complex, also is the project.
目标树形成后，把相近的区域划分在一起，形成目标群，也就是项目。
OBJECTIVE To set up the prediction model for evaluating the risk of diabetes mellitus(DM)in community by application of decision tree with data from health records.
目的利用居民健康档案数据和决策树方法，建立糖尿病预测模型，建立社区新型糖尿病高危人群筛选模式。
OBJECTIVE: to observe effect of confinement and vibration stress on indexes of hematology and myelogram in Chinese tree shrews.
目的：观察社会环境压力对中国树鼩血液学和骨髓象指标的影响及利血平的干预作用。
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