grindings

常見例句

• Stepped out ten feet and then put a mark in the ground.
  量出10英尺; 然后在地上做個(gè)記號。
• Smith ground out his three novels a year for over30 years.
  史密斯每年涂寫出三部小說，30多年來，年年如此。
• In digital signal technique, a signal that uses a positive(or negative) excursion and ground as the two binary signal states.
  在數(shù)字信號技術(shù)中，用正(或負(fù))向電壓與地兩個(gè)電平來表示二進(jìn)制“1”和“0”的一種信號
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