Mild strain cross protection (MSCP) is the most effective method to control the stem pitting tristeza virus.

应用弱毒系交叉保护（MSCP）是防治茎陷点型柑橘衰退病的有效方法之一。

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Then it analyses the process and mode to confirm the MSCP selection, including identifying and making sure the components of the MSCP, and the role analysis.

之后分析确定制造战略竞争优先权选择的程序与模式，包括对制造战略竞争优先权组成要素的识别与确定，以及对各要素在制造战略中的角色分析；

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