turnstile

n.

（入口处等的）旋转式栅门，旋杆；

复数：turnstiles

1. You slip it into the slot at the turnstile and then push the turnstile to get in.
   您在十字转门外边把硬币投进投币口，然后推动十字转门进来。

Turnstile
Single Photon Turnstile Device
A single-photon turnstile device
A single-photon turnstile device. Nature 397:500
Berry pseudorotation and turnstile rotation
Frequency-locked turnstile device for single electrons
A quantum dot single-photon turnstile device.
Quantized current in a quantum dot turnstile
Secure communication: Quantum cryptography with a photon turnstile
Non‐rigid Molecular Skeletons—Berry Pseudorotation and Turnstile Rotation