Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Vibrating wire alignment technique   Vibrating wire alignment technique is a kind of method which through
measuring the spatial distribution of magnetic field to do the alignment and it
can achieve very high alignment accuracy. Vibrating wire alignment technique
can be applied for magnet fiducialization and accelerator straight section
components alignment, it is a necessary supplement for conventional alignment
method. This article will systematically expound the international research
achievements of vibrating wire alignment technique, including vibrating wire
model analysis, system frequency calculation, wire sag calculation and the
relation between wire amplitude and magnetic induction intensity. On the basis
of model analysis this article will introduce the alignment method which based
on magnetic field measurement and the alignment method which based on amplitude
and phase measurement. Finally, some basic questions will be discussed and the
solutions will be given.

4
The categories of this paper are: cond-mat
11
The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th
25
The categories of this paper are: patt-sol
36
The categories of this paper are: cmp-lg
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
8
The categories of this paper are: hep-ex
24
The categories of this paper are: dg-ga
18
The categories of this paper are: econ
9
The categories of this paper are: nlin
16
The categories of this paper are: stat
17
The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph