Assertion: russian abacus | /r/CapableOf | lose popularity
Facets:
Source sentences:
text: The Russian abacus began to lose popularity only after the mass production of microcalculators had started in the Soviet Union in 1974.
text: The Russian abacus began to lose popularity only after the mass production of microcalculators had started in the Soviet Union in 1974.
text: The Russian abacus began to lose popularity only after the mass production of microcalculators had started in the Soviet Union in 1974.
text: The Russian abacus began to lose popularity only after the mass production of microcalculators had started in the Soviet Union in 1974.
text: Russian abacus began to lose popularity only after the mass production of microcalculators had started in the Soviet Union in 1974.
text: The Russian abacus began to lose popularity only after the mass production of microcalculators had started in the Soviet Union in 1974.