downpointer

名词 n.

英文释义

名词 n.
  1. A pointer in a hierarchical data structure that points to the node that is down from the current node.
    — Except at level zero, the downpointer always points down.
  2. An indicator that points toward the ground.
    — During one session , the subject used a canopy-mounted downpointer to estimate position in space relative to the ground, and in the other session the subject used a joystick-controlled, inside-out, aircraft attitude indicator.

词形变化

downpointers plural

词源

From down- + pointer.
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