differentiation n.

A new pulse design algorithm was proposed to generate UWB pulse based on the relation among the peak frequency of Rayleigh monopulse , the pulse shape parameter α and the order of differentiation n.

根据Rayleigh脉冲峰值频率与脉冲形状参数α、求导阶数n的关系提出了一种设计超宽带脉冲的新算法。

Objective To study the relationship shape of superficial esophageal carcinoma between the depth of invasion ( T ) and regional lymph node metastasis ( N ), the histologic differentiation and N.

目的探讨浅表食管癌侵袭深度及分化程度与区域淋巴结转移的关系。

Soil alkali-hydrolyzed N content increased with increasing latitude , and climate condition and soil type were considered as the main reasons that induced the latitudinal differentiation of soil alkali-hydrolyzed N.

0～20cm土层碱解氮含量具有随纬度增加而增加的趋势，气候条件和土壤类型的差异是导致其纬向分布差异的主要原因。