positional discontinuity

• 不连续性

positional discontinuity的用法和样例：

例句

1. For simplification, it is often neglected when the discontinuity is not severe.
   出于简化的原因，这种中断如不太严重，往往可被忽略。
2. The actual stresses do not exhibit the discontinuity of slope at the centre indicated by the elementary theory.
   实际应力在中心处存在初等理论所指出的斜率不连续性。