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function newMark(y,m,d)
{ oldDay = new Date(y+"/"+m+"/"+d);
newDay = new Date();
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conservation of mass
![]() SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 12828 】 【意味】 "[名詞] a fundamental principle of classical physics that matter cannot be created or destroyed in an isolated system [例] The conservation of mass is a fundamental principle of physics. [例] The conservation of mass states that matter cannot be created or destroyed. [例] They believed that the conservation of mass was a basic law of physics. [意味] 質量保存の法則, 質量保存則 ; [同義語] law of conservation of mass, conservation of matter, law of conservation of matter ; [上位語] conservation ; [同義語群] 06104844-n" |