| 词汇 | gantry |
| 释义 | gantry noun[ C ] uk /ˈɡæn.tri/ us /ˈɡæn.tri/ a tall metal frame that supports heavy machines such as cranes, railway signals, or other equipment（起重机的）龙门架;（铁路信号灯的）跨轨信号架 Frames & structures anatomy armature bezel carcass clothes hanger clothes horse coat hanger framing hanger homeschool honeycomb honeycombed matrix picture frame rack reframe safety gate shadowbox skeleton stair gate Examples of gantrygantry However, time optimal feedback designing is a difficult problem for a gantry crane and this problem is not yet solved. The possibility to render the elastic vibrations as small as desired is proved analytically for a gantry crane with a payload. This should be done for a range of depths and for treatment beams at a range of gantry angles. No significant difference between the gantry tilting and half beam block techniques was demonstrated. It has launched a 3 to 5 axis gantry-robot for industrial production of large and specific complex parts for special applications in the aeronautic industry. The motion of a gantry crane under the designed feedback control is not far from the time optimal motion. Production of ion beams in high-power laser-plasma interactions most of the gantry, which provides multidirectional irradiation of a lying patient, is no longer required. Therefore, in our opinion, the problem of the controller design is for a gantry crane not closed. However, by law the gantry can only complete one 360° rotation in a maximum of 1 minute, this therefore means that image acquisition is slow. One other difficulty was air movement above the water and mechanical vibration through the table structure, probe mount and gantry. The gantries themselves are more imposing structures than linear accelerators and can enclose patients as much as helical tomotherapy equipment. The couch was moved 500 mm into the gantry and the offset from the marker recorded: this was found to be <1 mm. A common arrangement of five beams, each separated by equal gantry angle, was adopted. The point of intersection between the gantry axis of rotation and the beam is called the "isocenter". For a prosthesis on the left side, the gantry angles are approximately 30, 150, and 270 degrees. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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