例句與造句

1. Based on the principle of the ultrasonic cross - correlation flowmeter , the key factor of the development of cross - correlation flowmeter , namely the design of cross - correlator , is analyzed in the paper . digital signal processing is introduced to design the flowmeter , the cross - correlation operation of random noise signal is dealt with inside the frequency field , and the digital cross - correlator is designed
   本文從超聲相關(guān)流量計(jì)的工作原理出發(fā)，分析了超聲相關(guān)流量計(jì)研制的關(guān)鍵因素，即相關(guān)器的設(shè)計(jì)，并將數(shù)字信號處理技術(shù)引入了超聲相關(guān)流量計(jì)的設(shè)計(jì)，在頻域內(nèi)對流動隨機(jī)噪聲信號進(jìn)行相關(guān)處理，構(gòu)造了數(shù)字相關(guān)器。
2. It's difficult to find cross-correlator in a sentence. 用cross-correlator造句挺難的