介值定理

intermediate value theorem (math.)

to introduce / to lie between / between / shell / armor

value / (to be) worth / to happen to / to be on duty

to set / to fix / to determine / to decide / to order

established theory / theorem (math.)

theorem

texture / grain (of wood) / inner essence / intrinsic order / reason / logic / truth / science / natural science (esp. physics) / to manage / to pay attention to / to run (affairs) / to handle / to put in order / to tidy up