| 释义 |
op·er·a·tion
I. \ˌäpəˈrāshən\ noun
(-s)
Etymology: Middle English operacioun, from Middle French operation, from Latin operation-, operatio, from operatus (past participle of operari to work) + -ion, -io -ion — more at operate
1.
a. obsolete : a doing or performing especially of action : work, deed
b. : a doing or performing of a practical work or of something involving practical application of principles or processes often experimentally or as part of a series of actions
< the mechanical operations involved in sculpture >
< practice until you can go through the whole operation without hesitation or thinking >
2.
a. : an exertion of power or influence : functioning, working
< depending on the operations of the intelligence >
< the operation of a drug >
b. : the quality or state of being functional or operative — usually used with in or into
< the plant has been in operation for several weeks >
< the new line will be put into operation soon >
c. : method or manner of functioning
< a machine of very simple operation >
< the operation of the circulation >
3.
a. : capacity for action or functioning : efficacy, potency — archaic except in legal usage
b. archaic : result of the action or existence (as of a disease, an activity) : influence
4. obsolete
a. : production, creation
b. : a product of creative activity
5. : actual energy or activity viewed as expressing the agent's nature or natures
< the operation of the Holy Spirit >
6. : a procedure carried out on a living body for the purpose of altering an existing especially abnormal state or condition by means of instruments (as in surgery) or the hands of a surgeon (as by manipulation of joints) — compare bloodless surgery, electrosurgery
7.
a. : a process whereby one quantity or expression is derived from another or others
b. logic
(1) : transformation
(2) : a function or correlation when conceived as a process of proceeding from one or more entities to another according to a definite rule
c. : the checking of the applicability of a given term or concept to a concrete situation by means of observation and usually manipulation
< determining the acidity of a liquid by indicators constitutes an operation >
8.
a. : a military or naval action, mission, or maneuver, including its planning and execution — often used in combination with a designating code word
b. operations plural : the office on the flight line of an airfield where pilots file clearances for flights and which controls flying from the field
c. operations plural : the staff agency (as in a United States air headquarters) for transacting the principal planning and operating functions of a headquarters and its subordinate units
9.
a. : a business transaction especially when speculative
< continued his operations in cotton futures >
b. : the whole process of planning for and operating a business or other organized unit
< the operation of a large household >
< the operation of a steel mill >
c. : a phase of a business or of business activity
< the new forge shop has proved a valuable addition to our operations >
10. : the operating of or putting and maintaining in action of something (as a machine or an industry)
< careful operation of a motor car >
< problems in the operation of a railroad >
II. noun
: a single step performed by a computer in the execution of a program |