英语翻译
Inphysics,mathsorotherbranchesofnaturalscience,you'llfindmanysymbols,laws(定律；定理)andformulas(公式)．Suchsymbols,lawsandformulasmaybethescientists'language．Withitascientistcanexpresshisthoughtsinamoreexactandclearway．
Takechemistryforexample．Thescientistalwaysusessymbolstorepresentelements(元素)．Heusesthefirstletterofthename,capitalized,asthesymbol．Forexample,thesymbolforhydrogen(氢)isH,foroxygen(氧)isO,fornitrogen(氮)isN．Withsuchsymbols,hecanformtheformulas(分子式)ofcompounds(化合物)．Asweknow,theformulaforwaterisH2O．
Sometimes,wordsineverydayusewillchangetheirmeaningwhenscientistsusethem．Oneofthemostinterestingexamplesistheword“work．”Inphysics,“todowork”meanstomovesomething．Ifyoupushagainstsomethingbutdonotmoveit,youhavedonenowork．Heretheword“work”isquitedifferentinmeaningfromthesamewordinthesaying“todoagoodday'swork．”
Therearemanywaysforscientiststoexpresstheirthoughtsbesideswriting,suchasbydesignsorthroughdata(数据)．
Thescientists'languageismostimportanttoscientificwork．ItistheABCofscience．Withoutityoucannotworkatscience,evenaproductionplancannotbecarriedout．Andyoucannotbuildaship,ahouse,oramachine-tool(机床)ifyoudonotknowhowtomakedesignorhowtoreadit．