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n.（枯叶或成熟果实的）脱落；用隔层分离枝、叶、花和树皮
1、abscisin───n.[生化]脱落素；离层素
2、prescission───预授权
3、scission───n.切断，分离；断开
4、discissions───n.挑开术
5、discission───n.挑开术
6、abscissin───脱落素
7、rescissions───n.取消，废除
8、abscessing───n.脓肿；脓疮；vi.形成脓肿
9、rescission───n.取消，废除
1、It was found that deficient or excessive soil moisture led to increase in abscission of squares and bolls and decrease in fiber quality.───研究发现，土壤水分不足或过大，均易造成蕾铃脱落增加和品质下降。
2、Roof abscission layer monitoring is one of important part of integrated monitoring in the full-anchor support roadway tunneling process.───顶板离层监测是全锚支护巷道掘进过程中综合监测的重要内容。
3、Room competition resulted from plant density was the main reason leading to deadwood, withered leaves, bark abscission, deflection crown.───樟子松的栽植密度引起空间竞争是树木产生枯枝、枯叶，树皮剥离，树木偏冠的主要原因。
4、For conifers which do not form an abscission layer at the base of the cone, shakers have been partially or completely unsuccessful.───对于球果基部不能形成脱离层的针叶树，摇树机的作用不大，或者完全不起作用。
5、The roof abscission layer is the biggest security hidden danger in bolting support tunnel.───顶板离层是锚杆支护巷道最大的安全隐患之一。
6、The fruit abscission mechanism of plant is generally considered as one of the key factors maintaining system stability.───植物果实的脱落机制普遍被认为是维持XiTong稳定的关键因素之一。
7、An abscission zone occurs at the base of the organ.───脱落区发生在器官基部的某一特化的区域。
8、Born toxicity led to early abscission of the older leaves, reducing total photosynthesis leaf area, but did not influence SLA or LWR.───硼中毒导致成熟叶片过早脱落，使光合面积变小；过量供硼对比叶面积和叶重比没有影响。