按比例: in proportion; at the ratio; ...抽样: sample; sampling; specimen; ...按比例抽样样品: quota sample比例抽样: proportional sampling; proportionate sampling; quota sampling; ratio sampling比例抽样法: proportionate sampling比例抽样器: proportional sample非比例抽样: disproportionate sampling分层比例抽样: stratified proportion sampling; stratified proportional sampling概率比例抽样: probability proportional sampling类型比例抽样: typically proportional sampling按概率比例抽样: sampling with probability proportionate to size概率比例抽样法: probability proportional sampling配对选惹比例抽样: disproportionate sampling with paired selections随机比例抽样法: method of random proportional sampling比例抽样样本容量估计: estimation of sample size with proportions按比例分层抽样的得益: gains from proportionate stratified sampling按比例分层随机抽样: proportion allocation in stratified random sampling按比例: in proportion; at the ratio; pro rata; by a ratio of 按比例制图 draw to scale; 按比例发展 develop in proportion; proportional development; 按比例放[加]大 scale; scaling-up; scale-up; 按比例分配 prorate; pro rata allotment; 按比例复制 reproduce to scale; 按比例划分 proportionment; 按比例回扣 pro rata rebate; 按比例计算 pro rata; 按比例减低 proportional reduction; 按比例均摊 pro rata average; 按比例扩大 scale-up; 按比例衰减 flat fading; 按比例缩小 scale; scaling-down; scale down; 按比例调整间距打字机 typewriter with proportional pitch; 按比例增加 scale-up; scale up按比例,成比例的: pro rate…按比例减少: scaled down按比例补助: subsidy pro rats按比例的: pro rata; proportional; ratable按比例的地: pro rata按比例抵销: pro rata cancellation按比例地: pari passu; rateably