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词汇 siderostat
释义

Definition of siderostat in English:

siderostat

noun ˈsʌɪd(ə)rə(ʊ)statˈsɪd(ə)rə(ʊ)statˈsidərəˌstat
Astronomy
  • An instrument used for keeping the image of a celestial object in a fixed position.

    〔天文〕定星镜

    Example sentencesExamples
    • The six mirrors, or siderostats, are mounted at regular intervals along a Y-shaped set of tubes.
    • ObservatoryScope's heliostats and siderostats were specifically designed to utilize proven off-the-shelf components wherever possible.
    • The six imaging siderostats can be mounted on any one of the concrete piers apparent along the arms of the Y, providing the maximum baseline of 437 meters.
    • One array consists of four stationary astrometric siderostats with baselines between 18 m and 35 m, while the other contains six movable imaging siderostats with baselines up to 435 m.
    • The siderostat is designed to survive up to 200 kilometers per hour winds.

Definition of siderostat in US English:

siderostat

nounˈsidərəˌstat
Astronomy
  • An instrument used for keeping the image of a celestial object in a fixed position.

    〔天文〕定星镜

    Example sentencesExamples
    • The six imaging siderostats can be mounted on any one of the concrete piers apparent along the arms of the Y, providing the maximum baseline of 437 meters.
    • The siderostat is designed to survive up to 200 kilometers per hour winds.
    • ObservatoryScope's heliostats and siderostats were specifically designed to utilize proven off-the-shelf components wherever possible.
    • One array consists of four stationary astrometric siderostats with baselines between 18 m and 35 m, while the other contains six movable imaging siderostats with baselines up to 435 m.
    • The six mirrors, or siderostats, are mounted at regular intervals along a Y-shaped set of tubes.
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