如果使用由一个灵活的连接物结合的双同型嘧啶PNA寡聚体，这种链侵入作用的效率可进一步提高。
The efficiency of this strand invasion can be further enhanced by using two homopyrimidine PNA oligomers connected via a flexible linker.
这种三螺旋体的稳定性极高，以至于在同型嘧啶PNA靶向双链DNA嘌呤道时，能取代其中一条DNA链侵入双螺旋。
The stability of these triple helixes is so high that homopyrimidine PNA targeted to purine tracts of dsDNA invades the duplex by displacing one of the DNA strands.
电视机的价格不停下降，并且电视产业整体已经成熟，因特网侵入电视行业价值链和内容产业的机会正在到来。
Prices of televisions are going down, and the industry as a whole is mature, leaving an opportunity for the Internet to disrupt both the value chain and the content industry.
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