Category:CLC O46 Vacuum Electronics (Electron Physics)
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Chinese Library Classification
A Marxism, Leninism, Mao Zedong Thought and Deng Xiaoping Theory ·
B Philosophy, Religion ·
C General Social Sciences ·
D Politics, Law ·
E Military ·
F Economics ·
G Culture, Science, Education, Sports ·
H Language, Writing ·
I Literature ·
J Art ·
K History and Geography ·
N General Natural Sciences ·
O Mathematical Sciences and Chemistry ·
P Astronomy and Earth Sciences ·
Q Biological Sciences ·
R Medicine, Health ·
S Agricultural Sciences ·
T Industrial Technology ·
U Transportation ·
V Aviation and Aerospace ·
X Environmental Science, Safety Science ·
Z General Books
O-61 ·
O1 Mathematics ·
O2 ·
O3 Mechanics ·
O4 Physics ·
O5 ·
O6 Chemistry ·
O7 Crystallography
O4-0 physics theory ·
O4-09 history of physics ·
O4-1 the status quo and development of physics ·
O4-262 ·
O4-3 physics research method ·
O4-33 physical experimental method and equipment ·
O4-34 physical measurement ·
O4-39 the application of electronic computers in physics ·
O4-43 ·
O4-44 ·
O4-45 ·
O4-49 ·
O4-61 physics dictionary ·
O4-64 ·
O41 Theoretical Physics ·
O42 Acoustics ·
O43 Optics ·
O44 Electromagnetism, Electrodynamics ·
O45 Radio Physics ·
O46 Vacuum Electronics (Electron Physics) ·
O47 Semiconductor Physics ·
O48 Solid State Physics
O461 Gas Discharge (Gas Conduction) ·
O462 Cathode Electronics ·
O463 Charged Particle Optics ·
O469 Condensed Matter Physics
Subcategories
This category has the following 3 subcategories, out of 3 total.
