例句與用法

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1. A telegraph can transmit two different signals: a dot and a dash .
   一臺發(fā)報機可發(fā)射兩種訊號：點和線。
2. Wire gages were produced with both flat-grid and bobbin-type constructions .
   制造金屬絲應(yīng)變片可采取平格柵型和線管型兩種結(jié)構(gòu)。
3. The above general rules allow the isopachics to be drawn by trial and error .
   有了上述的一般規(guī)律，即可采用試湊法來描繪等和線。
4. This method has been successfully applied by frocht to determine the isopachic curves .
   弗羅赫特成功地應(yīng)用這個方法，確定二維問題的等和線。
5. The meaning of the current account balance can be seen by comparing what is above the line with what is below it .
   經(jīng)常項目差額的含意可以通過對比線之上和線之下的項目看出。