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.
根据横门水道现场观测资料，分析了双体快速船船行波对堤岸的作用和最大波压强系数分布。
Based on the site observation data of Hengmen Channel, it advances an analysis to the wave action induced by a high - speed catamaran to dike and the maximum wave pressure coefficient.
采用有限元法，对岩体在拉剪综合作用下平行双裂纹相互影响的情况进行了计算。
The interaction between two parallel cracks in rock mass under the combined action of tension and shearing is analyzed by finite element method.
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