In addition to conventional galaxies, the universe contains very dim galaxies that until recently went unnoticed by astronomers.
除了传统的星系,宇宙中还有一些非常暗淡的星系,直到最近才被天文学家发现。
In addition to saving money on materials, it is estimated that building a Sears house took only about 350 hours of carpenter labor, compared with 580 hours for a conventional house.
除了可以节省材料方面的支出外,相较于便利屋的580个小时,兴建一栋西尔斯住屋估计只需花费350个小时左右的木工。
Conclusion for patients with COPD, in addition to conventional treatment, and to give the appropriate nutritional support for the marked improve lung function are of great significance.
结论对于COPD患者,除常规治疗外,并给予相应的营养支持治疗,对明显改善肺功能有十分重要的意义。
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