In this situation, antenna selection is an effective way to reduce cost.
对于这种低秩环境，选择天线发射或接收可以有效地降低系统的成本。
To use fruit number per plant as an indirect selection indicator will be more effective.
单株桃数作为间接选择性状更有效。
The new lower bound will decrease, and its selection is easy and effective.
在许多情况下，新的下界有所减少，它的选取简便有效。
The new lower bound will decrease, and its selection is easy and effective.
在许多情况下，新的下界有所减少，它的选取简便有效。
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