查询词典 systematic sampling

pluvial age：多雨期

plotless sampling 不分區取樣 | pluvial age 多雨期 | pluvial lake 多雨湖

pooled variance：合并方差

pooled sampling 集合采样 | pooled variance 合并方差 | pooling angle 集中合成角

cottage cheese; pot cheese：卡达乾酪

"连续取样","cotinuous sampling" | "卡达乾酪","cottage cheese; pot cheese" | "棉籽麸粉","cotton gluten meal"

precocious：早熟的

precision of simple random sampling 简单随机抽样精密度 | precocious 早熟的 | precocious child 早熟儿童

presumable：可能的,可推测的

6. sampling 取样(调查) | 7. presumable 可能的,可推测的 | 8. batteries 一连串,一系列

print queue object：打印队列对象

打印队列抽样间隔 print queue sampling interval | 打印队列对象 print queue object | 打印队列目录 print queue directory

print queue operator：打印队列操作员

打印队列 print queue | 打印队列操作员 print queue operator | 打印队列抽样间隔 print queue sampling interval

probability paper：概率纸

probability of occurrence 事件概率 | probability paper 概率纸 | probability sampling 概率抽样

probability paper：机率[坐标]纸

发生机率 probability of occurrence | 机率[坐标]纸 probability paper | 机率比例抽样法 probability proportional sampling

probability sampling：概率抽样

1.1.1 概率抽样(probability sampling)也称随机抽样. 与非概率抽样不同的是概率抽样是严格地按照给定的概率来抽取样本. 随机原则不等于等概率原则. 估计量不仅与样本观测值有关,也与其入样概率有关. 需要说明的是以下概念都是指概率抽样.

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件