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1·The abortive seeds only accumulated large absciss acid, which caused the abortion and inactivation.

败育的杉木涩籽中只积累较多的脱落酸，说明了败育涩籽的衰败和失活。

2·It's introducing a new structural cyclone dust extractor that absciss cylinder and applies cone directly.

提出了一种新型旋风除尘器，即去除筒体，直接应用锥体的旋风除尘器。