苹果的遗传转化技术通过分子手段改良苹果，有助于缩短其育种周期。
Techniques of apple genetic transformation can improve apple trees and shorten the breeding cycle by molecular methods.
然而，对于保持系和第7类恢复系而言，需借助分子手段进行研究以进一步了解其遗传差异。
However, the genetic differences of maintainer lines and the seventh restorers will be further studied by molecular technique.
肿瘤样本的镜检结果不是总能预测肿瘤的侵蚀性，使用有针对性的分子手段可以增加诊断的正确性。
Microscopic examination of tumor specimens cannot always predict a cancer's aggressiveness, leading to increased interest in molecular approaches to diagnosis.
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