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Provides formal descriptions of the seven base units such as meter, kilogram, second, ampere, kelvin, mole, and candela, along with supplementary units like radian and steradian, using standard symbols and definitions.",{"@graph":14,"@context":71},[15,34,54],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & 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UNITS（SI）................................................................................ 1627  \n●HARDENING AND HARDNESS TESTS....................................................................................... 1629  \n●CONVERSION TABLE OF HARDNESS........................................................................................ 1630  \n●SURFACE ROUGHNESS......................................................................................................... 1631  \n●METHODS OF INDICATING PRODUCT SURFACES IN DRAWINGS.................................................. 1632  \n●SURFACE ROUGHNESS BY DIFFERENT MACHINING METHODS.................................................... 1633  \n●INDICATIONS OF GEOMETRICAL TOLERANCE ON DRAWINGS ..................................................... 1634  \n●BASIS OF SELECTION FOR FITS.............................................................................................. 1635  \n●DIMENSIONAL TOLERANCES AND FITS ................................................................................... 1636  \n●TOLERANCES OF REGULARLY USED HOLE FITS........................................................................ 1637  \n●TOLERANCES OF REGULARLY USED SHAFT FITS ...................................................................... 1638  \n●GENERAL DIMENSIONAL TOLERANCES FOR PARTS FORMED BY PRESS WORKING FROM SHEET METAL AND SHEAR FROM METAL PLATES ........................................................... 1639  \n●STANDARD MACHINING TOLERANCES .................................................................................... 1640  \n●HEXAGON SOCKET HEAD CAP SCREWS................................................................................... 1641  \n●TABLE OF HOLE SIZES BEFORE THREADING............................................................................. 1643  \n●PROPER BOLT AXIAL TIGHTENING FORCE / TORQUE................................................................. 1644  \n●STRENGTH OF BOLTS, SCREW PLUGS, AND DOWEL PINS.......................................................... 1645  \n●CALCULATION OF CUBIC VOLUME AND MATERIAL PHYSICAL PROPERTIES.................................. 1646  \n●CALCULATION OF AREA, CENTER OF GRAVITY, AND GEOMETRICAL MOMENT OF INERTIA............... 1647  \n●CONVERSION CHART OF TRIGONOMETRICAL FUNCTIONS.......................................................... 1649  \n●COMPARISON OF MATERIAL JIS AND RELATED OVERSEAS STANDARDS（1）................................ 1651  \n●COMPARISON OF MATERIAL JIS AND RELATED OVERSEAS STANDARDS（2）................................ 1653  \n●COMPARISON OF DIE STEEL BY MANUFACTURERS................................................................... 1655  \n●HARDNESS OF PRIMARY STEEL MATERIALS AND THE CORRESPONDING TOOLS.......................... 1656  \n1626  \n［TECHNICAL DATA］ INTERNATIONAL SYSTEM OF UNITS（SI）Excerpts from JISZ 8203（1985）  \n1. The International System of Units（SI）and its usage  \n1－1. Scope of application This standard specifies the International System of Units（SI）and how to use units under the SI system, as well asthe units which are or may be used in conjunction with SI system units.  \n1－2. Terms and de nitions The terminology used in this standard and the definitions thereof are as follows.  \n（1）International System of Units（SI）A consistent system of units adopted and recommended by the International Committee on Weights and Measures. It contains base units and supplementary units, units derived from them, and their integer exponents to the 10th power. SI is the abbreviation of System International d Unites（International System of Units）.  \n（2）SI units A general term used to describe base units, supplementary units, and derived units under the International System of Units（SI）.  \n（3）Base units The units shown in Table 1 are considered the base units.  \n（4）Supplementary units The units shown in Table 2 below are considered the supplementary units.  \nTable 1. Base Units ","cbCaidSuEbLOJ0uX","https://ap.wps.com/l/cbCaidSuEbLOJ0uX","pdf",1764881,32,"English","# International System of Units (SI) and its usage\n## Scope of application\n## Terms and definitions\n## Base units\n## Supplementary units","[{\"question\":\"What does this excerpt cover about the SI system?\",\"answer\":\"It specifies the International System of Units (SI) and how to use units under SI, including units that may be used together with SI units.\"},{\"question\":\"What are base units in the SI system as defined here?\",\"answer\":\"Base units are the fundamental units listed in Table 1, such as meter, kilogram, second, ampere, kelvin, mole, and candela.\"},{\"question\":\"What is the difference between base units and supplementary units?\",\"answer\":\"Base units are defined as the units in Table 1, while supplementary units are defined as the units in Table 2, such as radian and steradian.\"}]","TECHNICAL DATA - International System of Units (SI) - Excerpts from JISZ 8203（1985） | PDF",81]