与合资公司的外方老板讨论工作的邮件( 2004 ) 武夷山 Dear Dr. XXX: First please accept my remote best wishes for the Year of the Rooster! I was promoted as the Chief Engineer ( a title at the same level as the deputy director general of ISTIC) in early 2002. Since the ...
白车轴草( Trifolium repens L. )是豆科车轴草属的多年生草本植物。又称白三叶草、白花苜蓿、菽草翘摇、荷兰翘摇。 主根短,侧根和须根发达。茎匍匐蔓生,上部稍上升,节上生根,全株无毛。 掌状三出复叶,小叶叶面近中央处均有一个“ V ”字形白斑,翠绿色;托叶卵状披针形,膜质,基部抱茎成鞘状,离 ...