| 释义 |
tran·sit·er
\-d.ə(r)\ noun
(-s)
Etymology: transit (I) + -er
: a transit attachment consisting of a wire that can be made to traverse the field of a transit at a rate that will keep it continuously bisecting an object (as a star) passing across the field of view and of a device for registering such passage across definite points in the field |