abscission
n. 切断；切除；[语]顿断法
同义词
参考例子
1.Objective:To introduce a way of epicanthus correction by inferior edge abscission.
目的：介绍一种通过内眦下边缘离断矫正内眦赘皮方法。
2.The special plant-types make the source-sink relation more reasonable at reproductive growth stages, and decreased the flower and pod abscission rate.
特异株型结构使大豆在生殖生长时期的源库供应关系较为合理，降低了大豆花荚脱落率。
3.It also put forward a novel conception to resolve the locating center and abscission point under the condition that the fruit or vegetables are partially sheltered.
同时，提出一种全新的理念解决果实被部分遮挡时中心点和采摘点确定问题。
英文解释
n.
1.shedding of flowers and leaves and fruit following formation of scar tissue in a plant
2.the act of cutting something off
网络释义
abscission
脱落; 切断; 切除; 切掉;
abscission zone
离层带; 离层区：于叶柄有助落叶时分离的组织; 离层带（区）;
branch abscission
枝脱离; 释义：枝脱离;
abscission layer
脱]离层; 释义：脱离层,离层; 脱离层,离层;
floral abscission
落花;