单语范例（未经PONS编辑处理）
The motivation to overcome this limitation led, in part, to the development of the helical scan system.
en.wikipedia.org This is referred to as helical scan recording.
en.wikipedia.org During the 1960s, and 1970s, helical scan recording machines were introduced by many manufacturers and marketed all over the world.
en.wikipedia.org Subsequent videotape systems have used helical scan, where the video heads record diagonal tracks (of complete fields) onto the tape.
en.wikipedia.org Nearly all modern videotape systems use helical scan and cartridges.
en.wikipedia.org 互联网提供的例句（未经PONS编辑处理）
[...]
universes-in-universe.org The first is the helical movement or vertical movement in my work, which is very similar to the movement of a double helix.
[...][...]
Das erste ist die spiralförmige oder die vertikale Bewegung in meinem Werk, die der Bewegung einer doppelten Helix sehr ähnlich ist.
[...][...]
www.hannovermesse.de HRC consists of two conical helical rotors of which one is internal and another is external.
[...][...]
HRC besteht aus zwei konische, schraubenförmige Rotoren, von denen eine innere und eine andere externe.
[...][...]
www.ipp.mpg.de The field lines in the combined field are then helical.
[...][...]
In dem kombinierten Feld laufen die Feldlinien dann schraubenförmig um.
[...][...]
www.ipp.mpg.de The field lines of the combined field are then helical.
[...][...]
In dem kombinierten Feld laufen die Feldlinien dann schraubenförmig um.
[...]