查询词典 cluster sampling

Stratified random sampling：分层逢机取样

迭生筛管部 stratified phloem | 分层逢机取样 stratified random sampling | 分层次生细胞壁 stratified secondary wall

random sampling test：随机取样试验

冲击艏柱 ram stem | 随机取样试验 random sampling test | 距离误差 range error

random scan：随机扫瞄

随机抽样,随机采样 random sampling | 随机扫瞄 random scan | 随机扫瞄函数 random scan function

random search：随机搜索

random sampling 随机抽样 | random search 随机搜索 | random sequence 随机序列

random variable：逢機變數

random sampling 逢機取樣 | random variable 逢機變數 | range 牧野;幅度;變域

rank correlation coefficient：秩相关系数

Random sampling 随机取样 | Rank correlation coefficient 秩相关系数 | RAPD random amplified polymorphic DNA 随机扩增DNA多态性

ratchet wrench：尖尾卜

rasp 粗锉;木锉 | Ratchet Wrench 尖尾卜 | rate of sampling 取样比率

ratio estimator：比例估值,比率估计量

ratio estimation sampling 比率推算抽样法 | ratio estimator 比例估值,比率估计量 | ratio factor 比率因数

hand sander reach rod：手拉撒砂器传动杆

hand sampling 手工采样,手工取样,人工采试样,人工抽样 | hand sander reach rod 手拉撒砂器传动杆 | hand saver 手护,保护手套

attribute reclassification：属性再分类

attribute query 属性查询 | attribute reclassification 属性再分类 | attribute sampling 属性抽样

chenevixite：砷铁铜石

化学合成作用,化能合成 chemosynthesis | 砷铁铜石 chenevixite | 海沼沙脊 chenier

brown belt：棕色腰带

8.棕色腰带:brown belt | 9.黑色腰带:black belt | 10.红白色腰带:red-white belt