这样是为了形成一个“二重奏系统，”即制作视频的专家和教师结合。
The idea is for a "duet system, " where a video expert teaches in tandem with the classroom’s own teacher.
水星二重成像系统(MDIS)：在近红外波段上拍摄金星的夜面，对接近以及离去半球的彩色及高解析度单色图像拼接。
Mercury Dual Imaging System (MDIS) : Images of the night side of Venus in near-infrared wavelengths; color and high-resolution monochrome mosaics of both the approaching and departing hemispheres.
本文所依托的课题的模型及软件现已成功应用于中国第二重型机械集团公司对于弯辊液压系统的设计分析之中。
The model and the software depending on the applied subject were applied to design and analyze of hydraulic bending roller control system in China National Erzhong Group Co.
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