综述了桥连或取代环戊二烯基 ( 茚基 ) 铁—铁键羰基化合物的研究进展. The progresses in bridged or substituted cyclopentadienyl ( and indenyl ) RuRu Bond carbonyl complexes are summarized.
This degree programme is fully accredited by the Institution of Electrical Engineers.这门学位课程经电气工程师学院鉴定完全合格。The aircraft made an unscheduled landing after developing an electrical fault.飞机由于发生电力故障而作了临时降落。There are consiste...
A volcano spouts flame and lava.火山喷出火焰和岩浆.The main square has a fountain that spouts water 40 feet into the air...主广场有个喷泉，能将水喷射至 40 英尺高的空中。The fountain spouts water into the air.喷泉的水喷入空中.A teakettle , a coffee pot, and a...