常見例句雙語例句Through an error analysis. it is concluded that direct count method is suitable for the measurment of high frequency and period method for the measurment of low frequency.通過誤差分析指出，直接計數法適于高頻測量，周期測頻法適于低頻測量。Four method are discussed about frequency measurment by using single - chip microcomputer. i. e. direct count method, period method, compound method and equal accuracy method.本文論述了使用單片機測頻的四種方法，即直接計數法、周期測頻法、混合測頻法和等精度測頻法。The arrangement calculation method is the direct inquiring ways in the data base , it can arrange the documents according to the quoted frequency and count the sources of the articles.本文實現的排序算法是迭代法和數據庫的直接查詢法，它可有效實現將文獻按引文被引頻次排序，以及對文獻的刊物來源的統(tǒng)計。 返回 direct count method