haphazard selection是什么意思

haphazard selection是什么意思 premium selection selection是什么意思 self-selection organic food is best selection 是对还是错?如题~是is 还是are I found that the selection procedure really hard中为什么that是错的?RT survival of the fittest in natural selection 是一个名词性短语吗 the opportunity for natural selection to take advantage of it.其中it指的是哪个? what is selection criteria5[ 标签：selection,criteria ] what is selection criteria 请给我个英文解释中文也可以,急,我问的是selection criteria ...不是这两个单词的意思...解释下用英文 举个例子吧,比如 what is sta no selection是什么意思 quite a selection finest selection什么意思 A complete Selection of invert selection是什么意思 self-selection是什么意思 block-selection是什么意思 clear-selection是什么意思 invert selection是什么意思