| 释义 |
dnm 英'diː'en'em美'diː'en'em COCA¹¹⁶⁶⁴⁴BNC²³⁶²¹³⁺¹
基本例句
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First, from the constitutive relation and the transform relation connecting time domain and frequency domain, the differential equations of double negative material DNM are obtained.
由双负介质的本构关系出发，利用时频转换关系，推导出了描述双负介质中场与流的微分方程组。 dictall
In contrast with general IP data acquisition, DNM expands frequency band of power, widens sampled time and raises detective rate.
与传统的激发极化数据采集方法相比，电场差分法增加了供电的周期，扩大了采样的时间区段，提高了采样的速度。 chemyq |