Two wind maxima with jet-stream characteristics often occur, one above the other, in the lower troposphere by the south side of therainstorm area over South China in summer.
华南暴雨区南侧对流层中下层常常同时存在两个大风层且各具急流的特征。
An ICD document describes data stream characteristics of the electronic integrated system. To achieve an integrated avionics system, complete and real time transfer of data is an important factor.
ICD文件反映了电子综合系统的数据流特征，保证航电系统综合成功的一个要素是数据流完整、实时的传输。
In order to explore the speed skaters' characteristics of physique structure and function, this paper USES color Doppler Blood Stream Picture Instrument to inspect left ventricle of 21 speed skaters.
为了探究速度滑冰运动员形态结构与功能特征，利用彩色多普勒血流显像仪对21名速滑运动员的左心室进行检查。
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