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function newMark(y,m,d)
{ oldDay = new Date(y+"/"+m+"/"+d);
newDay = new Date();
n = (newDay - oldDay)/(1000*60*60*24);
if(n <= 14)document.write("
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conservation of energy
![]() SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 97372 】 【意味】 "[名詞] the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes [例] Energy conservation is a fundamental principle of physics. [例] The conservation of energy is a basic law of physics. [例] They believed in the conservation of energy. [意味] エネルギー保存の法則, エネルギー保存, エネルギー保存則 ; [同義語] law of conservation of energy, first law of thermodynamics ; [上位語] conservation, law of thermodynamics ; [同義語群] 06104578-n" |