recovered相关论文
INTRODUCTION P.fluorescens is an aerobic,Gram-negative bacillus related to Pseudomonas aeruginosa.Like other species of ......
A new but simply implemented optical clock recovery scheme for optical time-division multiplexing (OTDM) systems based o......
Scandium (Sc) concentration from the rare earth ore by high gradient magnetic separation (HGMS) was determined on the ba......
过去分词有两个基本特点,一是表示被动,二是表示完成。但是,有时也有例外。 一、过去分词并不表被动的情况 1. 原则......

