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The InternationalSystem of Units (abbreviated SI from the French language name Système International d'Unités) is the modern form of the metric system.
The internationalsystem of units consists of a set of units together with a set of prefixes.
The 10th resolution of CGPM in 2003 declared that "the symbol for the decimal marker shall be either the point on the line or the comma on the line".
The InternationalSystem of Units is a modernized version of the metric system, established by international agreement, that provides a logical and interconnected framework for all measurements in science, industry, and commerce.
The second is defined as the duration of 9,192,631,770 cycles of the radiation associated with a specified transition of the cesium-133 atom.
Ambiguities in powder indexing: conjunction of a ternary and binary lattice metric singularity in the cubic system.
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