英语词汇“preliminary research”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	preliminary research
释义	preliminary research 初步研究
随便看	substitution indices substitution in production substitution in ring substitution in side chain substitution instance substitution instance of the statement function substitution interference measu-rements substitution isomerism substitution law substitution line substitution list substitution measurement substitution method substitution method of measurement substitution method of photometry substitution method weighing substitution multipliers Substitution of Arbitrator substitution of condition substitution of debt substitution of invoice transfer substitution of pairs substitution of players substitution of rationing for exchange substitution of securities 潇湘之浦潇湘何事等闲回？水碧沙明两岸苔潇湘水北流潇湘江上竹枝斑潇湘洞庭白雪中潇湘烟暝来何晚潇湘逢故人潇潇细雨凉吹颊潇潇雨意潇潇雨歇 59642 59643 59644 59645 59646 59647 59648 59649 59650 59651