1.As a result, they were able to bridge an important gap in the understanding of what causes genes to be turned on and off.
结果是：在有关导致基因打开与关闭的具体原因的理解方面，实现了一次认识水平上的飞跃。
2.Spitzer fills in an important gap in wavelength coverage not available from the ground -- the thermal infrared.
史匹哲填补了波长范围的一个重要空白：不能从地球表面获得红外波段的天体资料。
3.I welcome the Media Legal Defence Initiative, which will help the media to fight these attacks and fills an important gap.
我对媒体法律保护倡议的成立表示欢迎.它将填补这一空白，为媒体反击对新闻自由压制提供有效帮助。