柠檬酸盐阳性
reaction, inorganic nitrogen sources utilization and citrate utilization, the results were positive. Nitrate reduction experiment presented positive largely.───反应、无机N源利用、柠檬酸盐利用呈阳性,硝酸盐还原试验大多呈阳性;
correlate positively───正相关
contrapositive───adj.对换的;对照的;n.对换句
transpositive───换位
Gram-positive───革兰氏(染色)阳性
chart position───图表位置
contrapositives───反阳性
diapositive───n.透明正片