常用的减少沉默效应的策略有用较纯的DNA来操作以防止载体污染。
Useful strategies to minimize the frequency of silencing include the use of clean DNA procedures to avoid vector backbone integration .
本章解释了网络论坛中出现的“把关人”、“议程设置”的问题，也对网络论坛出现的“沉默的螺旋效应”以及“蝴蝶效应”进行了分析。
This chapter explains the Web forums led to a "gatekeeper", "agenda setting", the forum has also appeared on the network's "spiral of silence effect" and "Butterfly effect" is analyzed.
其作用水平主要有三种：位置效应、转录水平的基因沉默和转录后水平的基因沉默。
The positions where transgene silencing occurs mainly are inserting position? transcriptional gene silencing and posttranscriptional gene silencing.
其作用水平主要有三种：位置效应、转录水平的基因沉默和转录后水平的基因沉默。
The positions where transgene silencing occurs mainly are inserting position? transcriptional gene silencing and posttranscriptional gene silencing.
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