forebeam

名词 n.
中文释义

英文释义

名词 n.
  1. The breast beam of a loom.
    — They are sustained at bottom with other strong pieces of wood in the manner of trestles; and, to keep them the firmer, they are likewise fastened to the floor with a kind of buttresses, which prevent any shaking, though there are sometimes four or five workmen leaning on the forebeam at once.
  2. A horizontal spar across the bow of some sailing vessels, used to stabilize the hulls of a catamaran, to secure a bowsprit, or to tie down the tack when there is no bowsprit.
    — And herein also her forebeam to which her bowsprit was fastened, cracked clean insunder; and some of her timbers likeways in the hold we found defective.
  3. The support section of a robot arm that goes from the main body of the robot to the gripper.
    — The joints in the kinematic chain of a robot between the forebeam and end-effector are referred to as the wrist.
  4. The leading portion of a remote signal from a moving source.
    — The upwind forebeam data, for F9L1R19 (flight 9, line 1 and run 19), F2L1R1 and F3L1R1, the corresponding surface wind velocities are 6 knots, 22.5 knots, and 33 knots respectively, were processed.

词形变化

forebeams plural

词源

From fore- + beam.
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