logging
  砍伐原木,砍伐運出,伐木量
  logging
  登錄
  Log, v. t. [imp. & p. p. Logged p. pr. & vb. n. Logging ]
  1. Naut., To enter in a ship's log book; as, to log the miles run.
  Log·ging n. The business of felling trees, cutting them into logs, and transporting the logs to sawmills or to market.
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  log
       n 1: a segment of the trunk of a tree when stripped of branches
       2: large log at the back of a hearth fire [syn: backlog]
       3: the exponent required to produce a given number [syn: logarithm]
       4: a written record of messages sent or received; "they kept a
          log of all transmission by the radio station"; "an email
          log"
       5: a written record of events on a voyage (of a ship or plane)
       6: measuring instrument that consists of a float that trails
          from a ship by a knotted line in order to measure the
          ship's speed through the water
       v 1: enter into a log, as on ships and planes
       2: cut lumber, as in woods and forests [syn: lumber]
       [also: logging, logged]
  logging
       n : the work of cutting down trees for timber