1) low proppant concentration interval
低砂比段
2) the energy ratio of a high frequency band to a low one
高低频段能量比
1.
The wavelet packet transform technique is employed to determine the energy ratio of a high frequency band to a low one.
以小波包分解作为分频手段对暂态电流进行分频,利用高低频段能量比作为保护判据。
3) Junior Primary
低段
1.
The Exploration of Junior Primary School Children Poems Teaching and Children s Language Ability Developing;
小学低段儿童诗歌教学与儿童语言能力发展的探索
4) Lower Sandstone Member
下砂岩段
1.
Characteristics of the Lower Sandstone Member reservoir of Lower Silurian in eastern Tarim Basin;
塔里木盆地东部下志留统下砂岩段储层特征
6) lower sandstone part
底砂岩段
1.
Depositional paleogeography and source rock analysis of the lower sandstone part of Eogene Kumugeliemu Group in Kuqa depression;
塔里木盆地库车坳陷古近系库姆格列木群底砂岩段沉积古地理和物源体系
补充资料:十报恩 赠段先生 折段字起
【诗文】:
公物外好生涯。火相逢结大砂。女盘桓看大药。牛哮吼戏灵葩。云铺地丹炉赫,子观天碧眼华。有三生君省悟,中无事步烟霞。
【注释】:
【出处】:
公物外好生涯。火相逢结大砂。女盘桓看大药。牛哮吼戏灵葩。云铺地丹炉赫,子观天碧眼华。有三生君省悟,中无事步烟霞。
【注释】:
【出处】:
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