of poor quality 意味

• 質の悪い、劣等の
  

例文

1. are because of poor quality water .
   インドやほとんどの開発途上国における 疾患の80%は粗悪な水質が原因です
2. the silica sand he got was of poor quality , so
   仕入れた珪砂の質が よくなかったので
3. this is how inferior horses of poor quality came to be generally referred to as ' daba .'
   このため、転じて質の悪い下等の馬の事を一般に「駄馬」と呼ぶようになった。
4. however , the turn-over volume of poor quality of torai-sen (the importation of currency from china ) and shichusen increased .
   だが、粗悪な渡来銭や私鋳銭の流通量は増大した。
5. not only shichusen , but wartime coins of the chinese southern sung dynasty and minsen (bronze coins produced during ming dynasty ) mingled with poor quality coins and were usually of poor quality , therefore they were collectively called akusen .
   そうした私鋳銭ばかりでなく南宋の戦時貨や明銭自体も不良銭が混じるなど品質劣悪なものが普通だったため、これらを総称して「悪銭」といった。