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 unmanned [,ʌn'mænd]   添加此单词到默认生词本
a. 无人的, 无人操纵的



    unmanned
    [ adj ]
    lacking a crew
    <adj.all>
    an unmanned satellite to Mars


    Unmanned \Un*manned"\, a.
    1. [Properly p. p. of unman.] Deprived of manly qualities;
    deficient in vigor, strength, courage, etc.; weak;
    effeminate.

    2. [Pref. un- not + man + -ed.] (Falconry) Not tamed; not
    made familiar with, or subject to, man; -- also used
    figuratively. [Obs.]

    Hood my unmanned blood bating in my cheeks
    With thy black mantle. --Shak.

    3. [Pref. un- not + manned.] Not furnished with men; as, an
    unmanned ship.

    1. It is the nation's most powerful unmanned rocket.
    2. U.S. launches have been scarce since the space shuttle Challenger and two major unmanned rockets exploded in 1986.
    3. We have it in the form of expendable unmanned launchers, which can do nearly every significant task assigned to the shuttle.
    4. In the past, NASA has purchased unmanned boosters from companies such as General Dynamics and McDonnell Douglas and used its own crews to launch them.
    5. Reagan said the job should be done by private industry with unmanned rockets.
    6. The Israeli-made Pioneer unmanned surveillance aircraft has a range of 115 miles.
    7. The Soviets earlier had indicated the inaugural flight of the space shuttle might be unmanned.
    8. A unmanned module docked with the Mir space station today, bringing the cosmonauts a "space motorcycle" that will allow them to work outside the station in greater safety and comfort.
    9. Japan plans to develop an unmanned spacecraft in the next decade and eventually wants to send its own astronauts into space aboard Japanese-made vessels.
    10. Two unmanned automatic fire trucks were pumping water onto the fire late Tuesday night, hours after the 9:30 a.m. accident. Authorities said the tanker, carrying about 2,500 gallons of propane, could burn for as long as 30 hours.
    11. Thomas Mifsud, 32, who piloted the plane, swam to an unmanned oil rig.
    12. An era ended Monday with the last NASA launch of an unmanned rocket from this spaceport, where responsibility for sending payloads into orbit is being turned over to private industry after 400 liftoffs in 31 years.
    13. The Soviets have long espoused the possibility of a joint unmanned flight to Mars and Soviet leader Mikhail Gorbachev renewed the idea in an interview last week.
    14. It emerged yesterday that a premature shut-down of an engine followed by overheating in the unmanned Ariane-4 rocket caused the failure 13 minutes after launch.
    15. An unmanned Ariane rocket carrying two Japanese communications satellites exploded just after liftoff, prompting the competitor to the U.S. commercial launch industry to suspend future flights.
    16. The Space Council also recruited a veteran of the Pentagon's Strategic Defense Initiative to head the agency's exploration unit and plan a series of cheap, quick, unmanned missions to the moon.
    17. Japan's experimental magnetic levitation rail car, which has reached an unmanned speed of 321 mph.
    18. The securities market of the future "won't be an unmanned spacecraft, run by computers," he said, a reference to electronic markets that compete with the Big Board.
    19. "The debris gets most severe at 500-600 miles," Kessler said, "but usually unmanned spacecraft are at that altitude and don't require the same level of safety as a crew."
    20. The unmanned Ariane rocket carrying two Japanese communications satellites blew apart over the Atlantic shortly after taking off from Kourou, French Guiana.
    21. Canada will spend $1 billion for a mobile servicing system; Japan, $2 billion for an experiment module; and the European Space Agency, $4.2 billion for a laboratory and an unmanned free-flying platform.
    22. KSL-TV in Salt Lake City, quoting unidentified sources, reported that three of the 20-foot-long engines were taken out through two or three unmanned security gates over the weekend.
    23. Eibel acknowledged a considerable delay in the time between when the fire was first reported at the unmanned switching station and the arrival of firefighters to fight the blaze.
    24. Any irregular driving could set off a security alert. I drove back across London Bridge, past the same police squad car, and the same police checkpoints. I drove up to a road barrier (unmanned), tried to get round it, then backed away.
    25. The satellite, once it reaches it final orbit of 22,300 miles, will help ground controllers monitor shuttles and unmanned spacecraft.
    26. Last December, a White House panel ranked unmanned projects ahead of manned exploration as a goal for the space program.
    27. Jim Doyle, spokesman at the Jet Propulsion Laboratory which controls America's unmanned planetary explorations, said Friday that the correction is the first of two built into the mission's trajectory.
    28. If successful, the Muses-A satellite will be the first spacecraft to visit the moon since an unmanned Soviet vehicle landed on its surface in 1976.
    29. But where unmanned operation is possible, a lot of talk to the contrary is sour grapes.
    30. Many at NASA fear that Space Industries' small, unmanned station will give the budget cutters an excuse to scrap NASA's station.
    unmanned
    unmanned aerial surve...
    unmanned aerial vehicles
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    unmanned barge
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    unmannedlevel crossing
    unmannered
    unmannerly
    Unmanning
    unmanufactured wood
    unmanured
    unmanured fallow
    unmanured plot
    unmap
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